The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The heart of an astronaut actually gets smaller when in outer space.
216
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
It would take more than 150 years to drive a car to the sun.
569
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Buzz Aldrin’s mother’s maiden name was Moon.
9
There are two golf balls sitting on the moon.
721