Jupiter is bigger than all the other planets combined.
254
Astronauts get taller when they are in space.
224
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The earth is .02 degrees hotter during a full moon.
157
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
Sound doesn't travel in space.
255
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