Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The sun is 330,330 times larger than the earth!
190
A comet's tail always points away from the sun.
2
The population of the Earth has more than doubled since 1950.
151