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
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31