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
A comet's tail always points away from the sun.
2
Summer on Uranus lasts for 21 years.
358
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
If two pieces of metal touch in space, they become permanently stuck together.
808