Jupiter's moon Ganymede, is larger than the planet Mercury!
149
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Venus is the only planet that rotates clockwise.
310
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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
If two pieces of metal touch in space, they become permanently stuck together.
808