There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Earth is the only planet in our solar system that's not named after a god or goddess.
17
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
It 'snows' metal on Venus.
13
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16