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
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The sun is 330,330 times larger than the earth!
190
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Sound doesn't travel in space.
255
Mars had an oxygen-rich atmosphere around 4 billion years ago
13