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
Astronauts cannot burp in space.
232
The heart of an astronaut actually gets smaller when in outer space.
216
The earth travels through space at 660,000 miles per hour.
189
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The sun is 330,330 times larger than the earth!
190
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
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10