41% of the moon is not visible from earth at any time.
103
Lightning strikes about 6,000 times per minute on this planet!
158
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
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