An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
If two pieces of metal touch in space, they become permanently stuck together.
808
The light hitting the earth right now is 30 thousand years old.
163
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
A comet's tail always points away from the sun.
2