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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
It 'snows' metal on Venus.
13
The light hitting the earth right now is 30 thousand years old.
163
Pluto is smaller than Russia.
9