If two pieces of metal touch in space, they become permanently stuck together.
808
The light hitting the earth right now is 30 thousand years old.
163
A comet's tail always points away from the sun.
2
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4