There is no hoax, period. The only reason this idea is still floating around is due to simple ignorance, self-promotion or moneymaking. The Apollo program is very well documented starting from design, to testing, to actual missions. We have more than 800 lbs of lunar rocks from the six successful landings. There are the Lunar Laser Ranging Experiment devices left of the Moon that we are still using today. We also have images and film taken on the Moon.

The evidence is overwhelming that Apollo was real. Most of the arguments from the hoaxmongerers evaporate under a little scrutiny. You should read the links others have posted. Both the BA and JayUtah have excellent rebuttals to this hoax nonsense.

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"A mystic is a person who is puzzled before the obvious but who understands the nonexistent." -- Elbert Hubbard