The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
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
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5