Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter is bigger than all the other planets combined.
254
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Summer on Uranus lasts for 21 years.
358