NASA invented baby food as we know it today.
7
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The light hitting the earth right now is 30 thousand years old.
163
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
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
Pluto is smaller than Russia.
9