Moon landing conspiracy theories
The Moon landing conspiracy theories claim that some or all elements of the Apollo program and the associated Moon landings were hoaxes staged by NASA with the aid of other organizations. The most notable claim is that the six manned landings (1969–72) were faked and that twelve Apollo astronauts did not actually walk on the Moon. Various groups and individuals have made such conspiracy claims since the mid-1970s. Conspiracists claim that NASA and others knowingly misled the public into believing the landings happened, by manufacturing, tampering with, or destroying evidence including photos, telemetry tapes, radio and TV transmissions, Moon rock samples, and even some key witnesses.
Much third-party evidence for the landings exists, and detailed rebuttals to the hoax claims have been made. Since the late 2000s, high-definition photos taken by the Lunar Reconnaissance Orbiter (LRO) of the Apollo landing sites have captured the lander modules and the tracks left by the astronauts. In 2012, images were released showing five of the six Apollo missions' American flags erected on the Moon still standing (the Apollo 11 flag was accidentally blown over by the takeoff rocket's exhaust, but is still there).
Conspiracists have managed to sustain public interest in their theories for more than 40 years, despite the rebuttals and third-party evidence. Opinion polls taken in various locations have shown that between 6% and 20% of Americans and 28% of Russians surveyed believe that the manned landings were faked. Even as late as 2001, the Fox television network documentary Conspiracy Theory: Did We Land on the Moon? claimed NASA faked the first landing in 1969 to win the Space Race.
- 1 Origins
- 2 Conspiracists and their contentions
- 3 Claimed motives of the United States and NASA
- 4 The hoax claims
- 4.1 Number of conspirators involved
- 4.2 Photograph and film oddities
- 4.3 Environment
- 4.4 Mechanical issues
- 4.5 Transmissions
- 4.6 Missing data
- 4.7 Technology
- 4.8 Deaths of NASA personnel
- 4.9 NASA response
- 4.10 Alleged Stanley Kubrick involvement
- 4.11 Academic work
- 4.12 MythBusters special
- 5 Third-party evidence of Moon landings
- 6 Public opinion
- 7 See also
- 8 Notes
- 9 Citations
- 10 References
- 11 Further reading
- 12 External links
The first book about the subject, We Never Went to the Moon: America's Thirty Billion Dollar Swindle, was written in 1974, two years after the Apollo Moon flights had ended, and self-published in 1976, by Bill Kaysing (1922–2005), a senior technical writer hired in 1956 by Rocketdyne, the company which built the F-1 engines used on the Saturn V rocket, despite having no knowledge of rockets or technical writing. He served as head of the technical publications unit at the company's Propulsion Field Laboratory until 1963. Kaysing's book made many allegations, and effectively began discussion of the Moon landings being faked. The book claims that the chance of a successful manned landing on the Moon was calculated to be 0.0017%, and that despite close monitoring by the USSR, it would have been easier for NASA to fake the Moon landings than to really go there.
The Flat Earth Society was one of the first organizations to take up the cause and accuse NASA of faking the landings, arguing that they were staged by Hollywood with Walt Disney sponsorship, based on a script by Arthur C. Clarke and directed by Stanley Kubrick.[Note 1] Folklorist Linda Dégh suggests that writer-director Peter Hyams' 1978 film Capricorn One, which shows a hoaxed journey to Mars in a spacecraft that looks identical to the Apollo craft, may have given a boost to the hoax theory's popularity in the post-Vietnam War era. She notes that this happened during the post-Watergate era, when American citizens were inclined to distrust official accounts. Dégh writes: "The mass media catapult these half-truths into a kind of twilight zone where people can make their guesses sound as truths. Mass media have a terrible impact on people who lack guidance." In A Man on the Moon, first published in 1994, Andrew Chaikin mentions that at the time of Apollo 8's lunar-orbit mission in December 1968, similar conspiracy ideas were already in circulation.
Conspiracists and their contentions
After Kaysing, later conspiracists include (in alphabetical order):
- Marcus Allen – British publisher of Nexus, who said photographs of the lander would not prove that the United States put men on the Moon, and "Getting to the Moon really isn't much of a problem – the Russians did that in 1959. The big problem is getting people there." He suggests that NASA sent robot missions because radiation levels in outer space would be deadly. Another variant on this is the idea that NASA and its contractors did not recover quickly enough from the Apollo 1 fire, and so all the early Apollo missions were faked, with Apollos 14 or 15 being the first real mission.
- William L. Brian – a nuclear engineer who self-published a book in 1982, Moongate: Suppressed Findings of the U.S. Space Program, in which he disputes the Moon's surface gravity.
- James M. Collier (d. 1998) – American journalist and writer, producer of the video Was It Only a Paper Moon? (1997).
- Milton William Cooper (1943–2001) – was an American conspiracy theorist and author. He believed that all of the Apollo missions to the Moon were actually carefully rehearsed productions that were then filmed in large sound stages.
- James H. Fetzer – retired American philosophy professor and conspiracy theorist. On May 2, 2013, Dr. Fetzer was interviewed by Dr. Sterling Harwood. Fetzer defended his conspiracist views that all six lunar landings were hoaxes.
- David Groves – works for Quantech Image Processing. He examined the photo of Aldrin emerging from the lander and said he can pinpoint when a spotlight was used. Using the focal length of the camera's lens and an actual boot, he allegedly calculated, using ray-tracing, that the spotlight is between 24 to 36 centimetres (9.4 to 14.2 in) to the right of the camera. This matches with the sunlit part of Armstrong's spacesuit.
- Clyde Lewis – radio talk show host.
- Philippe Lheureux – French author of Lumières sur la Lune. An English language edition was published in 2003, Moon Landings: Did NASA Lie? He said that astronauts did land on the Moon, but to stop other states from benefiting from scientific information in the real photos, NASA published fake images.
- Yury Ignatyevich Mukhin – Russian opposition politician, publicist and author of the book Antiapollon: Moonlight scam US in which he denies all Moon landing evidence and accuses the United States government of plundering the money paid by the American taxpayers for the Moon program. He also claims the Central Committee of the Communist Party of the Soviet Union and some Soviet scientists helped NASA fake the landings.
- David S. Percy – TV producer, expert in audiovisual technologies, and member of the Royal Photographic Society. He is co-author, along with Mary Bennett, of Dark Moon: Apollo and the Whistle-Blowers and co-producer of What Happened On the Moon? He is the main proponent of the 'whistle-blower' accusation, arguing that mistakes in the NASA photos are so obvious that they are evidence that insiders are trying to 'blow the whistle' on the hoax by knowingly adding mistakes that they know will be seen.
- Stanislav Pokrovsky – Russian and General Director of a scientific-manufacturing enterprise Project-D-MSK who calculated that the real speed of the Saturn V rocket at S-IC staging time was only half of what was declared. His analysis appears to assume that the solid rocket plumes from the fuselage and retrorockets on the two stages came to an instant halt in the surrounding air so they can be used to estimate the velocity of the rocket. He ignored high-altitude winds and the altitude at staging, 67 km, where air is about 1/10,000 as dense as at sea level, and claimed that only a loop around the Moon was possible, not a manned landing on the Moon with return to Earth. He also allegedly found the reason for this – problems with the Inconel superalloy used in the F-1 engine.
- Alexander Ivanovich Popov – Russian author of the book The Americans on the Moon: the great breakthrough or cosmic scam?? in which he aims to prove that Saturn V was in fact a camouflaged Saturn IB and denies all Moon landing evidence.
- Aron Ranen – a filmmaker, directed and produced the documentary Did We Go?
- Ralph René (1933–2008) – was an inventor and 'self-taught' engineering buff. Author of the self-published book NASA Mooned America!
- Bart Sibrel – a filmmaker, produced and directed four films for his company, AFTH, LLC, including a 2001 film, A Funny Thing Happened on the Way to the Moon, examining the evidence of a hoax. The arguments that Sibrel puts forward in this film have been debunked by many sources, including Svector Studios' five-part video series Lunar Legacy, which disproves the documentary's main argument that the Apollo crew faked their distance from the Earth while in low Earth orbit. Sibrel has said that the effect on the shot covered in his film was made through the use of a transparency of the Earth. Some parts of the original footage, according to Sibrel, were not able to be included on the official releases for the media. On such allegedly censored parts, the correlation between Earth and Moon phases can be clearly confirmed, refuting Sibrel's claim that these shots were faked. On September 9, 2002, Sibrel was punched in the face by Buzz Aldrin after Sibrel confronted Aldrin with his theories and accused the former astronaut of being "a coward, and a liar, and a thief." The Los Angeles County district attorney's office refused to file charges against Aldrin, saying that he had been provoked by Sibrel.
- Takahiko Soejima – Japanese political scientist, author of 人類の月面着陸は無かったろう論.
- Jay Weidner - author and interviewee about the moon conspiracy theory in the documentary film Room 237 (2012). In this film he repeatedly states that he does not necessarily doubt that America landed men on the moon even though he thinks there was a conspiracy with Stanley Kubrick to fake the lunar landing footage.
- Jack D. White (1927–2012) – was an American photo historian known for his attempt to prove forgery in photos and the Zapruder film related to the assassination of John F. Kennedy.
- Gerhard Wisnewski – German journalist and filmmaker, author of One Small Step?: The Great Moon Hoax and the Race to Dominate Earth from Space.
Claimed motives of the United States and NASA
Those who believe the landings were faked give several theories about the motives of NASA and the United States government. The three main theories are below.
The Space Race
A main reason for the race to the Moon was the Cold War. The United States government deemed it vital that it win the Space Race against the Soviet Union. Going to the Moon would be risky and expensive, as exemplified by President John F. Kennedy famously stating in a 1962 speech that the United States chose to go because it was hard.
Hoax theory-debunker Philip Plait says in his book Bad Astronomy, that the Soviets—with their own competing Moon program, an extensive intelligence network and a formidable scientific community able to analyze NASA data—would have cried foul if the United States tried to fake a Moon landing, especially since their own program had failed. Proving a hoax would have been a huge propaganda win for the Soviets. Conspiracist Bart Sibrel responded, "the Soviets did not have the capability to track deep spacecraft until late in 1972, immediately after which, the last three Apollo missions were abruptly cancelled."
In fact, the Soviets had been sending unmanned spacecraft to the Moon since 1959, and "during 1962, deep space tracking facilities were introduced at IP-15 in Ussuriisk and IP-16 in Evpatoria (Crimean Peninsula), while Saturn communication stations were added to IP-3, 4 and 14," the latter having a 100 million km range. The Soviet Union tracked the Apollo missions at the Space Transmissions Corps, which was "fully equipped with the latest intelligence-gathering and surveillance equipment." Vasily Mishin, in an interview for the article "The Moon Programme That Faltered," describes how the Soviet Moon program dwindled after the Apollo landings.
NASA funding and prestige
It is claimed[who?] that NASA faked the landings to forgo humiliation and to ensure that it continued to get funding. NASA raised "about US$30 billion" to go to the Moon, and Kaysing claimed in his book that this could have been used to "pay off" many people. Since most conspiracists believe that sending men to the Moon was impossible at the time, they argue that landings had to be faked to fulfill Kennedy's 1961 goal, "before this decade is out, of landing a man on the Moon and returning him safely to the Earth." In fact, NASA accounted for the cost of Apollo to the US Congress in 1973, totaling US$25.4 billion.
Mary Bennett and David Percy have claimed in Dark Moon: Apollo and the Whistle-Blowers, that, with all the known and unknown hazards, NASA would not risk broadcasting an astronaut getting sick or dying on live television. The counter-argument generally given is that NASA in fact did incur a great deal of public humiliation and potential political opposition to the program by losing an entire crew in the Apollo 1 fire during a ground test, leading to its upper management team being questioned by Senate and House of Representatives space oversight committees. Technically there was in fact no video broadcast during either the landing or takeoff because of technological limitations.
The American Patriot Friends Network claimed in 2009 that the landings helped the United States government distract public attention from the unpopular Vietnam War; and so manned landings suddenly ended about the same time that the United States ended its involvement in the war. In fact, the ending of the landings was not "sudden" (see The Space Race above), and was in no way related to the end of US involvement in Vietnam. The war was one of several federal budget items with which NASA had to compete; NASA's budget peaked in 1966, and fell by 42.3% by 1972. This was the reason the final flights were cut, along with plans for even more ambitious follow-on programs such as a permanent space station and manned flight to Mars.
The hoax claims
Many conspiracy theories have been put forward. They either claim that the landings did not happen and that NASA employees (and sometimes others) have lied; or that the landings did happen but not in the way that has been told. Conspiracists have focused on perceived gaps or inconsistencies in the historical record of the missions. The foremost idea is that the whole manned landing program was a hoax from start to end. Some claim that the technology to send men to the Moon was lacking or that the Van Allen radiation belts, solar flares, solar wind, coronal mass ejections and cosmic rays made such a trip impossible.
Vince Calder and Andrew Johnson, scientists from Argonne National Laboratory, gave detailed answers to the conspiracists' claims on the laboratory's website. They show that NASA's portrayal of the Moon landing is fundamentally accurate, allowing for such common mistakes as mis-labeled photos and imperfect personal recollections. Using the scientific process, any hypothesis that is contradicted by the observable facts may be rejected. The 'real landing' hypothesis is a single story since it comes from a single source, but there is no unity in the hoax hypothesis because hoax accounts vary between conspiracists.
Number of conspirators involved
According to James Longuski (Professor of Aeronautics and Astronautics Engineering at Purdue University), the conspiracy theories are impossible because of their size and complexity. The conspiracy would have to involve the more than 400,000 people who worked on the Apollo project for nearly ten years, the 12 men who walked on the Moon, the six others who flew with them as Command Module pilots, and another six astronauts who orbited the Moon.[Note 2] Hundreds of thousands of people—including astronauts, scientists, engineers, technicians, and skilled laborers—would have had to keep the secret. Longuski argues that it would have been much easier to really land on the Moon than to generate such a huge conspiracy to fake the landings. To date, nobody from the United States government or NASA who would have had a link to the Apollo program has said the Moon landings were hoaxes. Penn Jillette made note of this in the "Conspiracy Theories" episode of his contrarian television show Penn & Teller: Bullshit! in 2005. He said that, with the number of people that would have had to be involved, someone would have outed the hoax by now. Noting the Watergate scandal, Jillette said the government could not have silenced everyone if the landings were faked.
Photograph and film oddities
Conspiracists focus heavily on NASA photos. They point to oddities in photos and films taken on the Moon. Photography experts (including those unrelated to NASA) answer that the oddities are what one would expect from a real Moon landing, and not what would happen with tweaked or studio imagery. Some of the main arguments and counter-arguments are listed below.
1. In some photos, crosshairs seem to be behind objects. The cameras were fitted with a Réseau plate (a clear glass plate with crosshairs etched on), making it impossible for any photographed object to appear "in front" of the grid. This suggests that objects have been "pasted" over them.
- This only appears in copied and scanned photos, not the originals. It is caused by overexposure: the bright white areas of the emulsion "bleed" over the thin black crosshairs. The crosshairs are only about 0.004 inch thick (0.1 mm) and emulsion would only have to bleed about half that much to fully obscure it. Furthermore, there are many photos where the middle of the crosshair is "washed-out" but the rest is intact. In some photos of the American flag, parts of one crosshair appear on the red stripes, but parts of the same crosshair are faded or invisible on the white stripes. There would have been no reason to "paste" white stripes onto the flag.
2. Crosshairs are sometimes rotated or in the wrong place.
- This is a result of popular photos being cropped and/or rotated for aesthetic impact.
3. The quality of the photographs is implausibly high.
- All manned landings happened during the lunar daytime. Thus, the stars were outshone by the sun and by sunlight reflected off the Moon's surface. The astronauts' eyes were adapted to the sunlit landscape around them so that they could not see the relatively faint stars. Likewise, cameras were set for daylight exposure and could not detect the stars. Camera settings can turn a well-lit background to black when the foreground object is brightly lit, forcing the camera to increase shutter speed so that the foreground light does not wash-out the image. A demonstration of this effect is here. The effect is similar to not being able to see stars from a brightly lit car park at night—the stars only become visible when the lights are turned off. The astronauts could see stars with the naked eye only when they were in the shadow of the Moon.
- A special far ultraviolet camera, the Far Ultraviolet Camera/Spectrograph, was taken to the lunar surface on Apollo 16 and operated in the shadow of the Apollo Lunar Module (LM). It took photos of Earth and of many stars, some of which are dim in visible light but bright in the ultraviolet. These observations were later matched with observations taken by orbiting ultraviolet telescopes. Furthermore, the positions of those stars with respect to Earth are correct for the time and location of the Apollo 16 photos.
5. The angle and color of shadows are inconsistent. This suggests that artificial lights were used.
- Shadows on the Moon are complicated by reflected light, uneven ground, wide-angle lens distortion, and lunar dust. There are several light sources: the Sun, sunlight reflected from the Earth, sunlight reflected from the Moon's surface, and sunlight reflected from the astronauts and the Lunar Module. Light from these sources is scattered by lunar dust in many directions, including into shadows. Shadows falling into craters and hills may appear longer, shorter and distorted. Furthermore, shadows display the properties of vanishing point perspective, leading them to converge to a point on the horizon.
- This theory was debunked on the MythBusters episode "NASA Moon Landing".
6. There are identical backgrounds in photos which, according to their captions, were taken miles apart. This suggests that a painted background was used.
- Backgrounds were not identical, just similar. What appear as nearby hills in some photos are actually mountains many miles away. On Earth, objects that are further away will appear fainter and less detailed. On the Moon, there is no atmosphere or haze to obscure faraway objects, thus they appear clearer and nearer. Furthermore, there are very few objects (such as trees) to help judge distance. One case is debunked in "Who Mourns For Apollo?" by Mike Bara.
7. The number of photos taken is implausibly high. Up to one photo per 50 seconds.
- Simplified gear with fixed settings allowed two photos a second. Many were taken immediately after each other as stereo pairs or panorama sequences. The calculation (one per 50 seconds) was based on a lone astronaut on the surface, and does not take into account that there were two astronauts sharing the workload during an Extra-vehicular activity (EVA).
8. The photos contain artifacts like the two seemingly matching 'C's on a rock and on the ground. These may be labeled studio props.
9. A resident of Perth, Australia, a woman named Una Ronald (a pseudonym created by the authors of the source), said that for two or three seconds she saw a Coca-Cola bottle roll across the lower right quadrant of her television screen that was displaying the live broadcast of the Apollo 11 EVA. She also said that several letters appeared in The West Australian discussing the Coca-Cola bottle incident within ten days of the lunar landing.
- No such newspaper reports or recordings have been found. Ronald's claims have only been relayed by one source. There are also flaws in the story, e.g. the statement that she had to stay up late to watch the Moon landing live is easily discounted by many witnesses in Australia who watched the landing in the middle of their daytime.
- It was used instead of the only existing real images, from the TV monitor, which the editors seemingly felt were too grainy for their book. The book publishers did not work for NASA.
11. There appear to be "hot spots" in some photos that look like a huge spotlight was used.
- Pits on the Moon's surface focus and reflect light like the tiny glass spheres used in the coating of street signs, or dewdrops on wet grass. This creates a glow around the photographer's own shadow when it appears in a photograph (see Heiligenschein).
- If the astronaut is standing in sunlight while photographing into shade, light reflected off his white spacesuit yields a similar effect to a spotlight.
- Some widely published Apollo photos were high-contrast copies. Scans of the original transparencies are generally much more evenly lit. An example is shown below:
12. Who filmed Neil Armstrong stepping onto the Moon?
- The Lunar Module did. While still on the steps, Armstrong deployed the Modularized Equipment Stowage Assembly from the side of the Lunar Module. This housed, amongst other things, the TV camera. This meant that upward of 600 million people on Earth could watch the live feed.
1. The astronauts could not have survived the trip because of exposure to radiation from the Van Allen radiation belt and galactic ambient radiation (see radiation poisoning and health threat from cosmic rays). Some conspiracists have suggested that Starfish Prime (a high-altitude nuclear test in 1962) was a failed attempt to disrupt the Van Allen belts.
- There are two main Van Allen belts - the inner belt and the outer belt - and a transient third belt. The inner belt is the more dangerous one, containing energetic protons. The outer one has less-dangerous low-energy electrons (Beta particles). The Apollo spacecraft passed through the inner belt in a matter of minutes and the outer belt in about 1 1⁄2 hours. The astronauts were shielded from the ionizing radiation by the aluminum hulls of the spacecraft. Furthermore, the orbital transfer trajectory from Earth to the Moon through the belts was chosen to lessen radiation exposure. Even Dr. James Van Allen, the discoverer of the Van Allen radiation belts, rebutted the claims that radiation levels were too harmful for the Apollo missions. Plait cited an average dose of less than 1 rem (10 mSv), which is equivalent to the ambient radiation received by living at sea level for three years. The spacecraft passed through the intense inner belt and the low-energy outer belt. The total radiation received on the trip was about the same as allowed for workers in the nuclear energy field for a year and not much more than what Space Shuttle astronauts received.
2. Film in the cameras would have been fogged by this radiation.
3. The Moon's surface during the daytime is so hot that camera film would have melted.
- There is no atmosphere to efficiently bind lunar surface heat to devices (such as cameras) that are not in direct contact with it. In a vacuum, only radiation remains as a heat transfer mechanism. The physics of radiative heat transfer are thoroughly understood, and the proper use of passive optical coatings and paints was enough to control the temperature of the film within the cameras; Lunar Module temperatures were controlled with similar coatings that gave them a gold color. Also, while the Moon's surface does get very hot at lunar noon, every Apollo landing was made shortly after lunar sunrise at the landing site. During the longer stays, the astronauts did notice increased cooling loads on their spacesuits as the sun and surface temperature continued to rise, but the effect was easily countered by the passive and active cooling systems. The film was not in direct sunlight, so it was not overheated. The Moon's day is about 29½ Earth days long, meaning that one Moon day (dawn to dusk) lasts nearly fifteen Earth days.
4. The Apollo 16 crew could not have survived a big solar flare firing out when they were on their way to the Moon.
5. The flag placed on the surface by the astronauts fluttered despite there being no wind on the Moon. This suggests that it was filmed on Earth and a breeze caused the flag to flutter. Sibrel said that it may have been caused by indoor fans used to cool the astronauts, since their spacesuit cooling systems would have been too heavy on Earth.
- The flag was fastened to a Г-shaped rod (see Lunar Flag Assembly) so that it did not hang down. The flag only seemed to flutter when the astronauts were moving it into position. Without air drag, these movements caused the free corner of the flag to swing like a pendulum for some time. The flag was rippled because it had been folded during storage—the ripples could be mistaken for movement in a still photo. Videos show that when the astronauts let go of the flagpole it vibrates briefly but then remains still.
- This theory was debunked on the MythBusters episode "NASA Moon Landing".
6. Footprints in the Moon dust are unexpectedly well preserved, despite the lack of moisture.
7. The alleged Moon landings used either a sound stage, or were filmed outside in a remote desert with the astronauts either using harnesses or slow-motion photography to make it look like they were on the Moon.
- While the HBO miniseries "From the Earth to the Moon", and a scene from the movie "Apollo 13" used the sound-stage and harness setup, it is clearly seen from those films that when dust rose it did not quickly settle; some dust briefly formed clouds. In the film footage from the Apollo missions, dust kicked up by the astronauts' boots and the wheels of the Lunar Roving Vehicles rose quite high due to the lower lunar gravity, and settled quickly to the ground in an uninterrupted parabolic arc since there was no air to suspend the dust. Even if there had been a sound stage for hoax Moon landings that had the air pumped out, the dust would have reached nowhere near the height and trajectory as in the Apollo film footage because of Earth's greater gravity.
- This theory was debunked on the MythBusters episode "NASA Moon Landing".
- No crater should be expected. The Descent Propulsion System was throttled very far down during the final landing. The Lunar Module was no longer quickly decelerating, so the descent engine only had to support the lander's own weight, which was lessened by the Moon's gravity and by the near exhaustion of the descent propellants. At landing, the engine thrust divided by the nozzle exit area is only about 10 kilopascals (1.5 PSI). Beyond the engine nozzle, the plume spreads and the pressure drops very quickly. Rocket exhaust gases expand much more quickly after leaving the engine nozzle in a vacuum than in an atmosphere. The effect of an atmosphere on rocket plumes can be easily seen in launches from Earth; as the rocket rises through the thinning atmosphere, the exhaust plumes broaden very noticeably. To lessen this, rocket engines made for vacuums have longer bells than those made for use on Earth, but they still cannot stop this spreading. The lander's exhaust gases, therefore, expanded quickly well beyond the landing site. The descent engines did scatter a lot of very fine surface dust as seen in 16mm movies of each landing, and many mission commanders spoke of its effect on visibility. The landers were generally moving horizontally as well as vertically, and photos do show scouring of the surface along the final descent path. Finally, the lunar regolith is very compact below its surface dust layer, making it impossible for the descent engine to blast out a "crater". A blast crater was measured under the Apollo 11 lander using shadow lengths of the descent engine bell and estimates of the amount that the landing gear had compressed and how deep the lander footpads had pressed into the lunar surface and it was found that the engine had eroded between 4 and 6 inches of regolith out from underneath the engine bell during the final descent and landing.,pp. 97–98 The 10,000-pound thrust descent engine was also throttled way down at the time of the landing.
2. The second stage of the launch rocket and/or the Lunar Module ascent stage made no visible flame.
- The Lunar Modules used Aerozine 50 (fuel) and dinitrogen tetroxide (oxidizer) propellants, chosen for simplicity and reliability; they ignite hypergolically – upon contact – without the need for a spark. These propellants produce a nearly transparent exhaust. The same fuel was used by the core of the American Titan rocket. The transparency of their plumes is apparent in many launch photos. The plumes of rocket engines fired in a vacuum spread out very quickly as they leave the engine nozzle (see above), further lessening their visibility. Finally, rocket engines often run "rich" to slow internal corrosion. On Earth, the excess fuel burns in contact with atmospheric oxygen. This cannot happen in a vacuum.
Bright flame from first stage of the Saturn V, burning RP-1
3. The Lunar Modules weighed 17 tons and made no mark on the Moon dust, yet footprints can be seen beside them.
- On the surface of the Earth, Apollo 11's fueled and crewed Lunar Module, Eagle, would have weighed approximately 17 short tons (15,300 kg). On the surface of the Moon, however, after expending fuel and oxidizer on her descent from lunar orbit, the lander weighed about 2,698 pounds (1,224 kg). The astronauts were much lighter than the lander, but their boots were much smaller than the lander's approximately 3-foot (91 cm) diameter footpads. Pressure (or force per unit area) rather than mass determines the amount of regolith compression. In some photos, the footpads did press into the regolith, especially when they moved sideways at touchdown. (The bearing pressure under Apollo 11's footpads, with the lander being about 44 times the weight of an EVA-configured astronaut, would have been of similar magnitude to the bearing pressure exerted by the astronauts' boots.)
5. The air conditioning units that were part of the astronauts' spacesuits could not have worked in an environment of no atmosphere.
- The cooling units could only work in a vacuum. Water from a tank in the backpack flowed out through tiny pores in a metal sublimator plate where it quickly vaporized into space. The loss of the heat of vaporization froze the remaining water, forming a layer of ice on the outside of the plate that also sublimated into space (turning from a solid directly into a gas). A separate water loop flowed through the LCG (Liquid Cooling Garment) worn by the astronaut, carrying his metabolic waste heat through the sublimator plate where it was cooled and returned to the LCG. Twelve pounds (5.4 kg) of feedwater gave about eight hours of cooling; because of its bulk, it was often the limiting consumable on the length of an EVA.
1. There should have been more than a two-second delay in communications between Earth and the Moon, at a distance of 400,000 km (250,000 mi).
- The round trip light travel time of more than two seconds is apparent in all the real-time recordings of the lunar audio, but this does not always appear as expected. There may also be some documentary films where the delay has been edited out. Reasons for editing the audio may be time constraints or in the interest of clarity.
2. Typical delays in communication were about 0.5 seconds.
- Claims that the delays were only half a second are untrue, as examination of the original recordings shows. Also, there should not be a consistent time delay between every response, as the conversation is being recorded at one end – Mission Control. Responses from Mission Control could be heard without any delay, as the recording is being made at the same time that Houston receives the transmission from the Moon.
3. The Parkes Observatory in Australia was billed to the world for weeks as the site that would be relaying communications from the first moonwalk. However, five hours before transmission they were told to stand down.
- The timing of the first moonwalk was changed after the landing. In fact, delays in getting the moonwalk started meant that Parkes did cover almost the entire Apollo 11 moonwalk.
4. Parkes supposedly had the clearest video feed from the Moon, but Australian media and all other known sources ran a live feed from the United States.
- While that was the original plan, and, according to some sources, the official policy, the Australian Broadcasting Commission (ABC) did take the transmission direct from the Parkes and Honeysuckle Creek radio telescopes. These were converted to NTSC television at Paddington, in Sydney. This meant that Australian viewers saw the moonwalk several seconds before the rest of the world. See also Parkes radio astronomer John Sarkissian's article, "On Eagle's Wings: The Parkes Observatory's Support of the Apollo 11 Mission" The events surrounding the Parkes Observatory's role in relaying the live television of the moonwalk were portrayed in a slightly fictionalized Australian film comedy "The Dish" (2000).
5. Better signal was supposedly received at Parkes Observatory when the Moon was on the opposite side of the planet.
- This is not supported by the detailed evidence and logs from the missions.
Blueprints and design and development drawings of the machines involved are missing. Apollo 11 data tapes containing telemetry and the high-quality video (before scan conversion from slow-scan TV to standard TV) of the first moonwalk are also missing.
Dr. David R. Williams (NASA archivist at Goddard Space Flight Center) and Apollo 11 flight director Eugene F. Kranz both acknowledged that the Apollo 11 telemetry data tapes are missing. Conspiracists see this as evidence that they never existed. The Apollo 11 telemetry tapes were different from the telemetry tapes of the other Moon landings because they contained the raw television broadcast. For technical reasons, the Apollo 11 lander carried a slow-scan television (SSTV) camera (see Apollo TV camera). To broadcast the pictures to regular television, a scan conversion had to be done. The radio telescope at Parkes Observatory in Australia was able to receive the telemetry from the Moon at the time of the Apollo 11 moonwalk. Parkes had a bigger antenna than NASA's antenna in Australia at the Honeysuckle Creek Tracking Station, so it received a better picture. It also received a better picture than NASA's antenna at Goldstone Deep Space Communications Complex. This direct TV signal, along with telemetry data, was recorded onto one-inch fourteen-track analog tape at Parkes. The original SSTV transmission had better detail and contrast than the scan-converted pictures, and it is this tape that is missing. A crude, real-time scan conversion of the SSTV signal was done in Australia before it was broadcast worldwide. However, still photos of the original SSTV image are available (see photos). About fifteen minutes of it were filmed by an amateur 8 mm film camera and these are also available. Later Apollo missions did not use SSTV. At least some of the telemetry tapes from the ALSEP scientific experiments left on the Moon (which ran until 1977) still exist, according to Dr. Williams. Copies of those tapes have been found.
Others are looking for the missing telemetry tapes for different reasons. The tapes contain the original and highest quality video feed from the Apollo 11 landing. Some former Apollo personnel want to find the tapes for posterity, while NASA engineers looking towards future Moon missions believe the tapes may be useful for their design studies. They have found that the Apollo 11 tapes were sent for storage at the U.S. National Archives in 1970, but by 1984 all the Apollo 11 tapes had been returned to the Goddard Space Flight Center at their request. The tapes are believed to have been stored rather than re-used. Goddard was storing 35,000 new tapes per year in 1967, even before the Moon landings.
In November 2006, COSMOS Online reported that about 100 data tapes recorded in Australia during the Apollo 11 mission had been found in a small marine science laboratory in the main physics building at the Curtin University of Technology in Perth, Australia. One of the old tapes has been sent to NASA for analysis. The slow-scan television images were not on the tape.
In July 2009, NASA indicated that it must have erased the original Apollo 11 Moon footage years ago so that it could re-use the tape. In December 2009 NASA issued a final report on the Apollo 11 telemetry tapes. Senior engineer Dick Nafzger, who was in charge of the live TV recordings during the Apollo missions, is now in charge of the restoration project. After a three-year search, the "inescapable conclusion" was that about 45 tapes (estimated 15 tapes recorded at each of the three tracking stations) of Apollo 11 video were erased and re-used, said Nafzger. In time for the 40th anniversary of the Apollo 11 landing, Lowry Digital has been tasked with restoring the surviving footage. Lowry Digital president Mike Inchalik said that, "this is by far and away the lowest quality" video the company has dealt with. Nafzger praised Lowry for restoring "crispness" to the Apollo video, which will remain in black and white and contain conservative digital enhancements. The US$230,000 restoration project that will take months to complete will not include sound quality improvements. Some selections of restored footage in high-definition have been made available on the NASA website.
The website Xenophilia.com documents a hoax claim that blueprints for the Saturn V rocket, Apollo Lunar Module (LM), Lunar Roving Vehicle (LRV), and associated equipment are missing. There are some diagrams of the Lunar Module and Lunar Roving Vehicle on the NASA website and on Xenophilia.com. Grumman appears to have destroyed most of their LM documentation, but copies of the blueprints for the Saturn V exist on microfilm.
Four mission-worthy LRVs were built by Boeing. Three of them were carried to the Moon on Apollos 15, 16, and 17, and left there. After Apollo 18 was canceled, the other LRV was used for spare parts for the Apollos 15 to 17 missions. The 221-page operation manual for the LRV contains some detailed drawings, although not the blueprints.
Bart Sibrel cites the relative level of United States and USSR space technology as evidence that the Moon landings could not have happened. For much of the early stages of the Space Race, the USSR was ahead of the United States, yet in the end, the USSR was never able to fly a manned craft to the Moon, let alone land one on the surface. It is argued that, because the USSR was unable to do this, the United States should have also been unable to develop the technology to do so.
For example, he claims that, during the Apollo program, the USSR had five times more manned hours in space than the United States, and notes that the USSR was the first to achieve many of the early milestones in space: the first man-made satellite in orbit (October 1957, Sputnik 1);[Note 3] the first living creature in orbit (a dog named Laika, November 1957, Sputnik 2); the first man in space and in orbit (Yuri Gagarin, April 1961, Vostok 1); the first woman in space (Valentina Tereshkova, June 1963, Vostok 6); and the first spacewalk (EVA) (Alexei Leonov in March 1965, Voskhod 2).
However, most of the Soviet gains listed above were matched by the United States within a year, and sometimes within weeks. In 1965, the United States started to achieve many firsts (such as the first successful space rendezvous), which were important steps in a mission to the Moon. Furthermore, NASA and others say that these gains by the Soviets are not as impressive as they seem; that a number of these firsts were mere stunts that did not advance the technology greatly, or at all, e.g., the first woman in space. In fact, by the time of the launch of the first manned Earth-orbiting Apollo flight (Apollo 7), the USSR had made only nine spaceflights (seven with one cosmonaut, one with two, one with three) compared to 16 by the United States. In terms of spacecraft hours, the USSR had 460 hours of spaceflight; the United States had 1,024 hours. In terms of astronaut/cosmonaut time, the USSR had 534 hours of manned spaceflight whereas the United States had 1,992 hours. By the time of Apollo 11, the United States had a lead much wider than that. (See List of human spaceflights, 1961–1970, and refer to individual flights for the length of time.)
Moreover, the USSR did not develop a successful rocket capable of a manned lunar mission until the 1980s – their N1 rocket failed on all four launch attempts between 1969 and 1972. The Soviet LK lunar lander was tested in unmanned low-Earth-orbit flights three times in 1970 and 1971.
Deaths of NASA personnel
In a television program about the hoax allegations, Fox Entertainment Group listed the deaths of ten astronauts and of two civilians related to the manned spaceflight program as having possibly been killed as part of a cover-up.
- Theodore Freeman (killed ejecting from T-38 which had suffered a bird strike, October 1964)
- Elliot See and Charlie Bassett (T-38 crash in bad weather, February 1966)
- Virgil Ivan "Gus" Grissom, Edward Higgins "Ed" White, and Roger B. Chaffee (Apollo 1 fire, January 1967)
- Edward "Ed" Givens (car accident, June 1967)
- Clifton "C. C." Williams (killed ejecting from T-38, October 1967)
- Michael J. "Mike" Adams (X-15 crash, November 1967. The only pilot killed during the X-15 flight test program. He was a test pilot, not a NASA astronaut, but had flown the X-15 above 50 miles.)
- Robert Henry Lawrence, Jr. (F-104 crash, December 1967, shortly after being selected as a pilot with the United States Air Force's (later canceled) Manned Orbiting Laboratory (MOL) program.)
- Thomas Ronald Baron (North American Aviation employee died in an automobile collision with train, April 27, 1967, six days after testifying before Rep. Olin E. Teague's House Subcommittee on NASA Oversight hearing held at Cape Kennedy, Florida, concerning the Apollo 1 fire, after which he was fired). Baron was a quality control inspector who wrote a report critical of the Apollo program and was an outspoken critic after the Apollo 1 fire. Baron and his family were killed as their car was struck by a train at a train crossing. The deaths were an accident.
- Brian D. Welch, a leading official in NASA's Public Affairs Office and Director of Media Services, died a few months after appearing in the media to debunk the Fox pro-Moon hoax television show cited above. He died of a heart attack at the age of 42.
Two of them, X-15 pilot Mike Adams and MOL pilot Robert Lawrence, had no connection with the civilian manned space program of which Apollo was a part. All of the deaths listed besides Welch occurred at least 20 months before Apollo 11 and the subsequent flights.
As of August 2012, eight of the twelve Apollo astronauts who landed on the Moon between 1969 and 1972 still survive, including Buzz Aldrin. Also, nine of the twelve Apollo astronauts who flew to the Moon without landing between 1968 and 1972 still survive, including Michael Collins.
The number of deaths within the American astronaut corps during the run-up to Apollo and while the Moon landings were happening is similar to the number of deaths suffered by the Russians. During the period 1961 to 1972, at least eight Russian serving and former cosmonauts are known to have died:
- Valentin Bondarenko (ground training accident, March 1961)
- Grigori Nelyubov (suicide, February 1966)
- Vladimir Komarov (Soyuz 1 accident, April 1967)
- Yuri Gagarin (MiG-15 crash, March 1968)
- Pavel Belyayev (complications following surgery, January 1970)
- Georgi Dobrovolski, Vladislav Volkov, and Viktor Patsayev (Soyuz 11 accident, June 1971)
Also, the overall chief of their manned-spaceflight program, Sergei Korolev, died while undergoing surgery in January 1966.
In June 1977, NASA issued a fact sheet responding to recent claims that the Apollo Moon landings had been hoaxed. The fact sheet is particularly blunt and regards the idea of faking the Moon landings to be preposterous and outlandish. NASA refers to the rocks and particles collected from the Moon as being evidence of the program's legitimacy, as they claim that these rocks could not have been formed under conditions on earth. NASA also notes that all of the operations and phases of the Apollo program were closely followed and under the scrutiny of the news media, from liftoff to splashdown. NASA responds to Bill Kaysing's book, We Never Went to the Moon, by identifying one of his claims of fraud regarding the lack of a crater left on the Moon's surface by the landing of the lunar module, and refuting it with facts about the soil and cohesive nature of the surface of the Moon.
The fact sheet was reissued on February 14, 2001, the day before Fox television's broadcast of Conspiracy Theory: Did We Land on the Moon? The documentary reinvigorated the public's interest in conspiracy theories and the possibility that the Moon landings were faked, which has provoked NASA to once again defend its name.
Alleged Stanley Kubrick involvement
Filmmaker Stanley Kubrick is accused of having produced much of the footage for Apollos 11 and 12, presumably because he had just directed 2001: A Space Odyssey, which is partly set on the Moon and featured advanced special effects. It has been claimed that when 2001 was in post-production in early 1968, NASA secretly approached Kubrick to direct the first three Moon landings. The launch and splashdown would be real but the spacecraft would stay in Earth orbit and fake footage broadcast as "live from the Moon." No evidence was offered for this theory, which overlooks many facts. For example, 2001 was released before the first Apollo landing and Kubrick's depiction of the Moon's surface is much different from its appearance in Apollo video, film and photography. Kubrick did hire Frederick Ordway and Harry Lange, both of whom had worked for NASA and major aerospace contractors, to work with him on 2001. Kubrick also used some 50 mm f/0.7 lenses that were left over from a batch made by Zeiss for NASA. However, Kubrick only got this lens for Barry Lyndon (1975). The lens was originally a still-photo lens and needed changes to be used for motion filming.
The mockumentary based on this idea, Dark Side of the Moon, could have fueled the conspiracy theory. This French mockumentary, directed by William Karel, was originally aired on Arte channel in 2002 with the title Opération Lune. It parodies conspiracy theories with faked interviews, stories of assassinations of Stanley Kubrick's assistants by the CIA, and a variety of conspicuous mistakes, puns and references to old movie characters, inserted through the film as clues for the viewer. Nevertheless, Opération Lune is still taken at face value by some conspiracy believers.
An article entitled “Stanley Kubrick and the Moon Hoax” appeared on Usenet in 1995, in the newsgroup "alt.humor.best-of-usenet". One passage - on how Kubrick was supposedly coerced into the conspiracy - reads:
NASA further leveraged their position by threatening to publicly reveal the heavy involvement of Mr. Kubrick's younger brother, Raul, with the American Communist Party. This would have been an intolerable embarrassment to Mr. Kubrick, especially since the release of Dr. Strangelove.
Kubrick had no such brother - the article was a spoof, complete with a giveaway sentence describing Kubrick shooting the moonwalk "on location" on the moon. Nevertheless, the claim was taken up in earnest; Clyde Lewis used it almost word-for-word, whereas Jay Weidner gave the brother a more senior status within the party:
No one knows how the powers-that-be convinced Kubrick to direct the Apollo landings. Maybe they had compromised Kubrick in some way. The fact that his brother, Raul Kubrick, was the head of the American Communist Party may have been one of the avenues pursued by the government to get Stanley to cooperate.
In 2002, NASA granted US$15,000 to James Oberg for a commission to write a point-by-point rebuttal of the hoax claims. However, NASA cancelled the commission later that year, after complaints that the book would dignify the accusations. Oberg said that he meant to finish the book. In November 2002, Peter Jennings said "NASA is going to spend a few thousand dollars trying to prove to some people that the United States did indeed land men on the Moon," and "NASA had been so rattled, [they] hired [somebody] to write a book refuting the conspiracy theorists." Oberg says that belief in the hoax theories is not the fault of the conspiracists, but rather that of teachers and people (including NASA) who should provide information to the public.
In 2004, Martin Hendry and Ken Skeldon of the University of Glasgow were awarded a grant by the UK-based Particle Physics and Astronomy Research Council to investigate Moon landing conspiracy theories. In November 2004, they gave a lecture at the Glasgow Science Centre where the top ten claims by conspiracists were individually addressed and refuted.
An episode of MythBusters in August 2008 was dedicated to the Moon landings. The MythBusters crew tested many of the conspiracists’ claims. Some of the testing was done in a NASA training facility. All of the conspiracists' claims examined on the show were labeled as having been "Busted", meaning that the conspiracists' claims were not true.
Third-party evidence of Moon landings
Imaging the landing sites
Conspiracists claim that observatories and the Hubble Space Telescope should be able to photograph the landing sites. This implies that the world's major observatories (as well as the Hubble Program) are complicit in the hoax by refusing to take photos of the landing sites. Photos of the Moon have been taken by Hubble, including at least two Apollo landing sites, but the Hubble resolution limits viewing of lunar objects to sizes no smaller than 60–75 yards (55–69 meters), which is insufficient resolution to see any landing site features.
In April 2001, Leonard David published an article on space.com, which showed a photo taken by the Clementine mission showing a diffuse dark spot at the site NASA says is the Apollo 15 lander. The evidence was noticed by Misha Kreslavsky, of the Department of Geological Sciences at Brown University, and Yuri Shkuratov of the Kharkiv Astronomical Observatory in Ukraine. The European Space Agency's SMART-1 unmanned probe sent back photos of the landing sites, according to Bernard Foing, Chief Scientist of the ESA Science Program. "Given SMART-1’s initial high orbit, however, it may prove difficult to see artifacts," said Foing in an interview on space.com.
The Daily Telegraph published a story in 2002 saying that European astronomers at the Very Large Telescope (VLT) would use it to view the landing sites. According to the article, Dr. Richard West said that his team would take "a high-resolution image of one of the Apollo landing sites." Marcus Allen, a conspiracist, answered that no photos of hardware on the Moon would convince him that manned landings had happened. As the VLT is capable of resolving equivalent to the distance between the headlights of a car as seen from the Moon, it may be able to photograph some features of the landing sites. Such photos, if and when they become available, would be the first non-NASA-produced photos of the sites at that definition.
The Japan Aerospace Exploration Agency (JAXA) launched their SELENE Moon orbiter on September 14, 2007 (JST), from Tanegashima Space Center. SELENE orbited the Moon at about 100 kilometres (62 mi) altitude. In May 2008, JAXA reported detecting the "halo" generated by the Apollo 15 Lunar Module engine exhaust from a Terrain Camera image. A three-dimensional reconstructed photo also matched the terrain of an Apollo 15 photo taken from the surface.
On July 17, 2009, NASA released low-resolution engineering test photos of the Apollo 11, Apollo 14, Apollo 15, Apollo 16 and Apollo 17 landing sites that have been photographed by the Lunar Reconnaissance Orbiter as part of the process of starting its primary mission. The photos show the descent stage of the landers from each mission on the Moon’s surface. The photo of the Apollo 14 landing site also shows tracks made by an astronaut between a science experiment (ALSEP) and the lander. Photos of the Apollo 12 landing site were released by NASA on September 3, 2009. The Intrepid lander descent stage, experiment package (ALSEP), Surveyor 3 spacecraft, and astronaut footpaths are all visible. While the LRO images have been enjoyed by the scientific community as a whole, they have not done anything to convince conspiracists that the landings happened.
On September 1, 2009, India's lunar mission Chandrayaan-1 took photos of the Apollo 15 landing site and tracks of the lunar rovers. The Indian Space Research Organisation launched their unmanned lunar probe on September 8, 2008 (IST), from Satish Dhawan Space Centre. The photos were taken by a hyperspectral camera fitted as part of the mission's image payload.
The Apollo program collected 380 kilograms (838 lb) of Moon rocks during the six manned missions. Analyses by scientists worldwide all agree that these rocks came from the Moon – no published accounts in peer-reviewed scientific journals exist that dispute this claim. The Apollo samples are easily distinguishable from both meteorites and Earth rocks in that they show a lack of hydrous alteration products, they show evidence of having undergone impact events on an airless body, and they have unique geochemical traits. Furthermore, most are more than 200 million years older than the oldest Earth rocks. The Moon rocks also share the same traits as Soviet samples.
Conspiracists argue that Marshall Space Flight Center Director Wernher von Braun's trip to Antarctica in 1967 (about two years before the Apollo 11 launch) was to gather lunar meteorites to be used as fake Moon rocks. Because von Braun was a former SS officer (though one who had been detained by the Gestapo), the documentary film Did We Go? suggests that he could have been pressured to agree to the conspiracy to protect himself from recriminations over his past. NASA said that von Braun’s mission was "to look into environmental and logistic factors that might relate to the planning of future space missions, and hardware." NASA continues to send teams to work in Antarctica to mimic the conditions on other planets.
It is now accepted by the scientific community that rocks have been blasted from both the Martian and lunar surface during impact events, and that some of these have landed on the Earth as meteorites. However, the first Antarctic lunar meteorite was found in 1979, and its lunar origin was not recognized until 1982. Furthermore, lunar meteorites are so rare that it is unlikely that they could account for the 380 kilograms of Moon rocks that NASA gathered between 1969 and 1972. Only about 30 kilograms of lunar meteorites have been found on Earth thus far, despite private collectors and governmental agencies worldwide searching for more than 20 years.
While the Apollo missions gathered 380 kilograms of Moon rocks, the Soviet Luna 16, Luna 20 and Luna 24 robots gathered only 326 grams combined (that is, less than one-thousandth as much). Indeed, current plans for a Martian sample return would only gather about 500 grams of soil, and a recently proposed South Pole-Aitken basin robot mission would only gather about 1 kilogram of Moon rock. If NASA had used similar robot technology, then between 300 and 2000 robot missions would have been needed to collect the current amount of Moon rocks that is held by NASA.
On the makeup of the Moon rocks, Kaysing asked: "Why was there never a mention of gold, silver, diamonds or other precious metals on the moon? Wasn't this a viable consideration? Why was this fact never dicussed [sic] in the press or by the astronauts?" Geologists realize that gold and silver deposits on Earth are the result of the action of hydrothermal fluids concentrating the precious metals into veins of ore. Since in 1969 water was believed to be absent on the Moon, no geologist would bother discussing the possibility of finding these on the Moon in any great amount.
Missions tracked by independent parties
Aside from NASA, a number of groups and individuals tracked the Apollo missions as they happened. On later missions, NASA released information to the public explaining where and when the spacecraft could be sighted. Their flightpaths were tracked using radar and they were sighted and photographed using telescopes. Also, radio transmissions between the astronauts on the surface and in orbit were independently recorded.
The presence of retroreflectors (mirrors used as targets for Earth-based tracking lasers) from the Laser Ranging Retroreflector Experiment (LRRR) is evidence that there were landings. Lick Observatory attempted to detect from Apollo 11's retroreflector while Armstrong and Aldrin were still on the Moon but did not succeed until August 1, 1969. The Apollo 14 astronauts deployed a retroreflector on February 5, 1971, and McDonald Observatory detected it the same day. The Apollo 15 retroreflector was deployed on July 31, 1971, and was detected by McDonald Observatory within a few days. Smaller retroreflectors were also put on the Moon by the Russians; they were attached to the unmanned lunar rovers Lunokhod 1 and Lunokhod 2.
In a 1994 poll by The Washington Post, 9% of the respondents said that it was possible that astronauts did not go to the Moon and another 5% were unsure. A 1999 Gallup Poll found that 6% of the Americans surveyed doubted that the Moon landings happened and that 5% of those surveyed had no opinion, which roughly matches the findings of a similar 1995 Time/CNN poll. Officials of the Fox network said that such skepticism rose to about 20% after the February 2001 airing of their network's television special, Conspiracy Theory: Did We Land on the Moon?, seen by about 15 million viewers. This Fox special is seen as having promoted the hoax claims.
A 2000 poll conducted by the Public Opinion Foundation (ФОМ) in Russia found that 28% of those surveyed did not believe that American astronauts landed on the Moon, and this percentage is roughly equal in all social-demographic groups. In 2009, a poll held by the United Kingdom's Engineering & Technology magazine found that 25% of those surveyed did not believe that men landed on the Moon. Another poll gives that 25% of 18- to 25-year-olds surveyed were unsure that the landings happened.
There are subcultures worldwide which advocate the belief that the Moon landings were faked. By 1977 the Hare Krishna magazine Back to Godhead called the landings a hoax, claiming that, since the Sun is 93,000,000 miles away, and "according to Hindu mythology the Moon is 800,000 miles farther away than that", the Moon would be nearly 94,000,000 miles away; to travel that span in 91 hours would require a speed of more than a million miles per hour, "a patently impossible feat even by the scientists' calculations."
James Oberg of ABC News said that the conspiracy theory is taught in Cuban schools and wherever Cuban teachers are sent. A poll conducted in the 1970s by the United States Information Agency in several countries in Latin America, Asia, and Africa found that most respondents were unaware of the Moon landings, many of the others dismissed them as propaganda or science fiction, and many thought that it had been the Russians that landed on the Moon.
- Astronauts Gone Wild
- In the Shadow of the Moon
- Capricorn One
- Lost Cosmonauts
- Moon landing conspiracy theories in popular culture
- List of topics characterized as pseudoscience
- Stolen and missing moon rocks
- In 1968, Clarke and Kubrick had collaborated on the film 2001: A Space Odyssey, which realistically portrayed a Moon mission.
- This number includes the crews of Apollos 8, 10, and 13, though the latter technically only performed a fly-by. These three missions account for only six additional astronauts because James Lovell orbited the Moon twice (Apollos 8 and 13) and John Young and Gene Cernan orbited on Apollo 10 both later landed on the Moon.
- According to the 2007 NOVA episode "Sputnik Declassified," the United States could have launched the Explorer 1 probe before Sputnik, but the Eisenhower administration hesitated, first because they were not sure if international law meant that national borders kept going all the way into orbit (and, thus, their orbiting satellite could cause an international uproar by violating the borders of dozens of nations), and second because there was a desire to see the not yet ready Vanguard satellite program, designed by American citizens, become America's first satellite rather than the Explorer program, that was mostly designed by former rocket designers from Nazi Germany. A transcript of the appropriate section from the show is available at "Sputnik's Impact on America."
- Plait 2002, pp. 154–173
- Neal-Jones, Nancy; Zubritsky, Elizabeth; Cole, Steve (September 6, 2011). Garner, Robert, ed. "NASA Spacecraft Images Offer Sharper Views of Apollo Landing Sites". NASA. Goddard Release No. 11-058 (co-issued as NASA HQ Release No. 11-289). Retrieved September 22, 2011.
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- Plait 2002, p. 157
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- Pokrovsky, Stanislav G. "Improved estimates of the Saturn V velocity and its ability to place the stated payload into lunar orbit" (PDF). Retrieved May 1, 2013. English translation by BigPhil 2011.
- "Investigations: Moon". Supernovum.ru (in Russian). Archived from the original on July 25, 2009. Retrieved May 1, 2013. Site archives three papers by Stanislav G. Pokrovsky.
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- Popov 2009
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- Ranen, Aron (Director, Writer, Producer); Britton, Benjamin (Writer, Executive Producer) (2005) [First published 1999 by the University of Cincinnati as part of Moon: A Mutual Reality Art Experience]. Did We Go? (VHS tape). Santa Monica, CA: Third Wave Media. OCLC 56316947. Retrieved May 4, 2013. Abstract: "This video looks at whether man actually walked on the moon in 1969 or if it was an elaborate hoax."
- Britton, Benjamin (Executive Producer); Britton, Lisa (Associate Producer); Ranen, Aron (Video Documentary); et al. (1999). Moon: A Mutual Reality Art Experience (DVD video). Cincinnati, OH: University of Cincinnati. OCLC 43837978. Abstract: "The Moon Project is a full-screen, Mutual Reality Internet DVD made on the event of the 30th anniversary of humankind's first moon landing. It is to bring viewers into personal contact with humanity's cultural tradition through participation in the exploration of the moon. As an historical source document and as an artistic interpretation of cultural context, the Moon project is made to connect viewers in our collective global culture."
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- 副島, 隆彦 (2004). 人類の月面着陸は無かったろう論 [Apollo 11 Has Never Been to the Moon] (in Japanese). Tokyo: Tokuma Shoten. ISBN 978-4-198-61874-2.
- Wisnewski, Gerhard (2007) [Originally published 2005 in German under the title Lügen im Weltraum, Von der Mondlandung zur Weltherrschaft, Knaur Taschenbuch Verlag, Munich]. One Small Step?: The Great Moon Hoax and the Race to Dominate Earth from Space. English translation by Johanna Collis. Forrest Row: Clairview Books. ISBN 978-1-905-57012-6.
- Woods, W. David (2008). How Apollo Flew to the Moon. New York: Springer-Verlag. ISBN 978-0-387-71675-6.
- Loxton, Daniel (2010). "Top Ten Busted Myths". Skeptic 15 (4): 74.
- Morrison, David (November 2009). "Moon Hoax Resolved: New Lunar Orbiter Images Show Moon Landers, Astronaut's Tracks". Skeptical Inquirer 33 (6): 5–6.
- Steven-Boniecki, Dwight (2010). Live TV from the Moon. Burlington, Ontario: Apogee Books. ISBN 978-1-926-59216-9.
- Talcott, Richard (November 2010). "Astronomy mythbusters". Astronomy 38 (11): 56–57. Author examines ten common astronomy myths. See: Myth #10: NASA faked the Moon landings.
- Moon Base Clavius is devoted to analyzing the conspiracists' claims and attempting to debunk them.
- AULIS Online by AULIS Publishing is committed to challenge established views on space exploration and the genesis of mankind.
- Apollo Lunar Surface Journal Photos, audio, video and complete communication transcriptions of the six successful landings and Apollo 13
- Hoaxes: Lunar Landing at DMOZ
- "A Moon Landing? What Moon Landing?". The New York Times (Abstract). December 18, 1969. p. 30. Retrieved August 5, 2008. Story by John Noble Wilford
- "Vocal Minority Insists It Was All Smoke and Mirrors" by John Schwartz for The New York Times, July 13, 2009
- "Buzz Aldrin Punches Moon Landing Conspiracy Theorist In The Face (VIDEO)" – video report by Nicholas Graham for The Huffington Post, August 20, 2009
- "Refuting the Most Popular Apollo Moon Landing Hoax Theories" by Christina Caron, ABC News, July 19, 2009
- "The Moon Hoax" is a comic by Darryl Cunningham, July 20, 2010
- "Clouds across the Moon" a website by Paul White which compares weather satellite photography of Earth with contemporary photographs of the Earth from Apollo missions.
- William Karel (Director) (2002). Opération lune [Dark Side of the Moon] (Mocumentary) (in French and English). Paris: Arte France / Point du Jour International. OCLC 57723359. First airdate: October 16, 2002.
- John Moffett (Director, Producer, Writer); Bruce M. Nash (Executive Producer, Writer) (2001). Conspiracy Theory: Did We Land on the Moon? (Documentary). Hollywood, CA: Nash Entertainment, Inc. OCLC 52473513. First airdate on Fox TV: February 15, 2001.
- The Truth Behind the Moon Landings: Stranger Than Fiction (2003) (TV) at the Internet Movie Database