There are two golf balls sitting on the moon.
721
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The light hitting the earth right now is 30 thousand years old.
163
Lightning strikes about 6,000 times per minute on this planet!
158
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6