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
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
It takes eight and a half minutes for light to get from the sun to earth.
159
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
It 'snows' metal on Venus.
13
The earth travels through space at 660,000 miles per hour.
189
The earth rotates more slowly on its axis in March than in September.
145