About those Apollo astronauts that walked on the Moon? You know if they could've, they would've.

[MiddleFingerMom]

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[rurallib]

1. what message would they write out?

[Angry Dragon]

2. Gilroy was here...............

[saras]

3. If you exposed it to a vacuum, wouldn't it get really big?

I suppose not, otherwise those "enlarge your penis" ads would be at the doctor's office and not on the internet.

[edbermac]

4. Actually Buzz Aldrin relieved himself on the moon.

"One giant whizz for mankind"

http://news.nationalgeographic.com/news/2009/07/090720-apollo-11-buzz-aldrin-pee.html