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 moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Lightning strikes about 6,000 times per minute on this planet!
158
The heart of an astronaut actually gets smaller when in outer space.
216
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4