An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Pluto is smaller than Russia.
9
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
A comet's tail always points away from the sun.
2