The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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