There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118