There are two golf balls sitting on the moon.
721
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The Earth gets 100 tons heavier every day due to falling space dust.
673
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
The sun puts out more power in 1 second than mankind has ever used within human existence.
14