Astronauts get taller when they are in space.
224
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
There are two golf balls sitting on the moon.
721
It 'snows' metal on Venus.
13
Only 55% of Americans know that the sun is a star.
986
The sun puts out more power in 1 second than mankind has ever used within human existence.
14