There are two golf balls sitting on the moon.
721
Jupiter is bigger than all the other planets combined.
254
41% of the moon is not visible from earth at any time.
103
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Buzz Aldrin’s mother’s maiden name was Moon.
9
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Some asteroids have other asteroids orbiting them.
131
Earth is the only planet in our solar system that's not named after a god or goddess.
17