The heart of an astronaut actually gets smaller when in outer space.
216
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The sun is 330,330 times larger than the earth!
190
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 earth is .02 degrees hotter during a full moon.
157
It 'snows' metal on Venus.
13