The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Some asteroids have other asteroids orbiting them.
131
The population of the Earth has more than doubled since 1950.
151
There are two golf balls sitting on the moon.
721
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8