An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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
It would take more than 150 years to drive a car to the sun.
569
Earth is the only planet in our solar system that's not named after a god or goddess.
17
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If two pieces of metal touch in space, they become permanently stuck together.
808