Astronauts cannot burp in space.
232
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The heart of an astronaut actually gets smaller when in outer space.
216
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82