Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
The light hitting the earth right now is 30 thousand years old.
163
It 'snows' metal on Venus.
13