It 'snows' metal on Venus.
13
The heart of an astronaut actually gets smaller when in outer space.
216
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
Astronauts cannot burp in space.
232
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
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160