Earth is the only planet in our solar system that's not named after a god or goddess.
17
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
It would take more than 150 years to drive a car to the sun.
569
Astronauts get taller when they are in space.
224
There are two golf balls sitting on the moon.
721
Sound doesn't travel in space.
255
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221