Only 55% of Americans know that the sun is a star.
986
Some asteroids have other asteroids orbiting them.
131
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 population of the Earth has more than doubled since 1950.
151
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118