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 temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter is bigger than all the other planets combined.
254
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
The heart of an astronaut actually gets smaller when in outer space.
216
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121