41% of the moon is not visible from earth at any time.
103
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The heart of an astronaut actually gets smaller when in outer space.
216
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 population of the Earth has more than doubled since 1950.
151
Venus is the only planet that rotates clockwise.
310
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121