The population of the Earth has more than doubled since 1950.
151
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Jupiter is bigger than all the other planets combined.
254
Venus is the only planet that rotates clockwise.
310
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
It 'snows' metal on Venus.
13