The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
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
It takes eight and a half minutes for light to get from the sun to earth.
159
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
Astronauts get taller when they are in space.
224
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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