There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
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
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
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
It 'snows' metal on Venus.
13
If NASA sent birds into space they would soon die; they need gravity to swallow.
146