The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
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
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10