The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Pluto is smaller than Russia.
9
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115