Lightning strikes about 6,000 times per minute on this planet!
158
41% of the moon is not visible from earth at any time.
103
A comet's tail always points away from the sun.
2
Astronauts get taller when they are in space.
224
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Earth gets 100 tons heavier every day due to falling space dust.
673
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