One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The population of the Earth has more than doubled since 1950.
151
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The sun is 330,330 times larger than the earth!
190
Pluto is smaller than Russia.
9
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88