The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
There are two golf balls sitting on the moon.
721
Astronauts cannot burp in space.
232
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The population of the Earth has more than doubled since 1950.
151
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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