An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Summer on Uranus lasts for 21 years.
358
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Earth is the only planet in our solar system that's not named after a god or goddess.
17
It would take more than 150 years to drive a car to the sun.
569
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