There are two golf balls sitting on the moon.
721
Earth is the only planet in our solar system that's not named after a god or goddess.
17
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Jupiter is bigger than all the other planets combined.
254
Summer on Uranus lasts for 21 years.
358
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160