A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
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
The heart of an astronaut actually gets smaller when in outer space.
216
Today's top fuel dragsters take off with more force than the space shuttle.
120
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter is bigger than all the other planets combined.
254