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
Jupiter is bigger than all the other planets combined.
254
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277