Jupiter is bigger than all the other planets combined.
254
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Today's top fuel dragsters take off with more force than the space shuttle.
120
41% of the moon is not visible from earth at any time.
103