There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Pluto is smaller than Russia.
9
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
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If two pieces of metal touch in space, they become permanently stuck together.
808