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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
41% of the moon is not visible from earth at any time.
103
There are two golf balls sitting on the moon.
721
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Today's top fuel dragsters take off with more force than the space shuttle.
120