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
Jupiter is bigger than all the other planets combined.
254
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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