The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Sound doesn't travel in space.
255
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Some asteroids have other asteroids orbiting them.
131
Lightning strikes about 6,000 times per minute on this planet!
158
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The earth rotates more slowly on its axis in March than in September.
145