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
Sound doesn't travel in space.
255
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
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
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
Jupiter is bigger than all the other planets combined.
254
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10