Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
NASA invented baby food as we know it today.
7
Summer on Uranus lasts for 21 years.
358
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10