The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
It 'snows' metal on Venus.
13
It takes eight and a half minutes for light to get from the sun to earth.
159
The population of the Earth has more than doubled since 1950.
151
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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