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 two pieces of metal touch in space, they become permanently stuck together.
808
The population of the Earth has more than doubled since 1950.
151
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The light hitting the earth right now is 30 thousand years old.
163