Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Some asteroids have other asteroids orbiting them.
131
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
The population of the Earth has more than doubled since 1950.
151
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14