There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Venus is the only planet that rotates clockwise.
310