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's moon Ganymede, is larger than the planet Mercury!
149
Today's top fuel dragsters take off with more force than the space shuttle.
120
The population of the Earth has more than doubled since 1950.
151
The light hitting the earth right now is 30 thousand years old.
163
Buzz Aldrin’s mother’s maiden name was Moon.
9
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100