Sound doesn't travel in space.
255
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are two golf balls sitting on the moon.
721
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