Some asteroids have other asteroids orbiting them.
131
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
A comet's tail always points away from the sun.
2
The population of the Earth has more than doubled since 1950.
151
41% of the moon is not visible from earth at any time.
103