The heart of an astronaut actually gets smaller when in outer space.
216
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
If two pieces of metal touch in space, they become permanently stuck together.
808
It 'snows' metal on Venus.
13
Only 55% of Americans know that the sun is a star.
986
The sun is 330,330 times larger than the earth!
190
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124