If two pieces of metal touch in space, they become permanently stuck together.
808
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 heart of an astronaut actually gets smaller when in outer space.
216
The population of the Earth has more than doubled since 1950.
151
Astronauts get taller when they are in space.
224
41% of the moon is not visible from earth at any time.
103
The earth is .02 degrees hotter during a full moon.
157
It takes eight and a half minutes for light to get from the sun to earth.
159