There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The light hitting the earth right now is 30 thousand years old.
163
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15