There are two golf balls sitting on the moon.
721
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8