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
Some asteroids have other asteroids orbiting them.
131
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The sun is 330,330 times larger than the earth!
190
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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
It 'snows' metal on Venus.
13