The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Sound doesn't travel in space.
255
The sun is 330,330 times larger than the earth!
190
Astronauts get taller when they are in space.
224
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Only 55% of Americans know that the sun is a star.
986
The population of the Earth has more than doubled since 1950.
151