Earth is the only planet in our solar system that's not named after a god or goddess.
17
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's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
It 'snows' metal on Venus.
13