In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
There are two golf balls sitting on the moon.
721
Summer on Uranus lasts for 21 years.
358
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The sun puts out more power in 1 second than mankind has ever used within human existence.
14