It 'snows' metal on Venus.
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The light hitting the earth right now is 30 thousand years old.
163
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
41% of the moon is not visible from earth at any time.
103
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175