Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Venus is the only planet that rotates clockwise.
310
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Summer on Uranus lasts for 21 years.
358
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194