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
If two pieces of metal touch in space, they become permanently stuck together.
808
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277