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
Venus is the only planet that rotates clockwise.
310
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15