From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If two pieces of metal touch in space, they become permanently stuck together.
808
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The light hitting the earth right now is 30 thousand years old.
163
Pluto is smaller than Russia.
9
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46