The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The light hitting the earth right now is 30 thousand years old.
163
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149