There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
It 'snows' metal on Venus.
13
Summer on Uranus lasts for 21 years.
358
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
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