Forty-nine years ago Friday, the Apollo 11 spacecraft delivered the first astronauts to the surface of the moon. The footprints Buzz Aldrin left in lunar soil are still around — and so are the throngs of conspiracy theorists who claim the entire landing was faked. For one thing, they argue, the flag the crew planted seemed to flutter in videos, which shouldn't happen since there's no wind on the moon. Besides, wouldn't mini-meteors have killed the astronauts the moment they ventured outside?