Jupiter is bigger than all the other planets combined.
254
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
There are two golf balls sitting on the moon.
721
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16