There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Pluto is smaller than Russia.
9
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
Venus is the only planet that rotates clockwise.
310
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175