If you read the Japanese paper on the Apollo 16 "UFO", it is sadly amusing how the author concludes that the object must be an alien artifact. But all it took was one guy from NASA with a little time and expertise to find the real (and not-alien) answer.

Msnbc.com (Oberg): How to crack weird space cases

Lone sleuth uses the Internet and his wits to solve UFO mysteries

http://www.msnbc.msn.com/id/7822879/

NASA photo This photo from the Apollo 16 moon mission seems to show a flying
saucer.

What does the image actually show? (Answer on Page 2.)

By James Oberg, NBC News space analyst // Special to MSNBC

Updated: 6:48 p.m. ET May 12, 2005

HOUSTON - When a space station astronaut made an offhand remark about an
unusual formation of lights he saw passing in front of him during a spacewalk,
the report had all the earmarks of an unsolvable space mystery. But it didn't
take long to crack the case, thanks to the power of the Internet and one amateur
space sleuth's passion to find out.