It 'snows' metal on Venus.
13
Sound doesn't travel in space.
255
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
The light hitting the earth right now is 30 thousand years old.
163
Summer on Uranus lasts for 21 years.
358
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219