The earth travels through space at 660,000 miles per hour.
189
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
It would take more than 150 years to drive a car to the sun.
569
41% of the moon is not visible from earth at any time.
103
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Venus is the only planet that rotates clockwise.
310
The heart of an astronaut actually gets smaller when in outer space.
216