Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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
Pluto is smaller than Russia.
9
A comet's tail always points away from the sun.
2
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
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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
Jupiter is bigger than all the other planets combined.
254