Summer on Uranus lasts for 21 years.
358
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
If two pieces of metal touch in space, they become permanently stuck together.
807
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
30
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
