Summer on Uranus lasts for 21 years.
358
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The earth travels through space at 660,000 miles per hour.
189
Some asteroids have other asteroids orbiting them.
131
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Buzz Aldrin’s mother’s maiden name was Moon.
9