If you went out into space, you would explode before you suffocated because there's no air pressure.
149
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Buzz Aldrin’s mother’s maiden name was Moon.
9
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter is bigger than all the other planets combined.
254