Some asteroids have other asteroids orbiting them.
131
Only 55% of Americans know that the sun is a star.
986
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
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
It takes eight and a half minutes for light to get from the sun to earth.
159
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221