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
41% of the moon is not visible from earth at any time.
103
It 'snows' metal on Venus.
13
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Astronauts cannot burp in space.
232
Astronauts get taller when they are in space.
224