Sound doesn't travel in space.
255
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Buzz Aldrin’s mother’s maiden name was Moon.
9
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10