There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Sound doesn't travel in space.
255
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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