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
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Only 55% of Americans know that the sun is a star.
986
Astronauts get taller when they are in space.
224
Sound doesn't travel in space.
255
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The sun is 330,330 times larger than the earth!
190
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15