An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
Summer on Uranus lasts for 21 years.
358
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16