There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
If two pieces of metal touch in space, they become permanently stuck together.
808
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A comet's tail always points away from the sun.
2