There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Jupiter is bigger than all the other planets combined.
254
Venus is the only planet that rotates clockwise.
310
It 'snows' metal on Venus.
13
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12