If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Buzz Aldrin’s mother’s maiden name was Moon.
9
The earth travels through space at 660,000 miles per hour.
189
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17