Summer on Uranus lasts for 21 years.
358
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Buzz Aldrin’s mother’s maiden name was Moon.
9
41% of the moon is not visible from earth at any time.
103