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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
31
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7