The earth rotates more slowly on its axis in March than in September.
145
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 light hitting the earth right now is 30 thousand years old.
163
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
It would take more than 150 years to drive a car to the sun.
569