Earth is the only planet in our solar system that's not named after a god or goddess.
17
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
Jupiter is bigger than all the other planets combined.
254
If NASA sent birds into space they would soon die; they need gravity to swallow.
146