There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
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 Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Sound doesn't travel in space.
255
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Lightning strikes about 6,000 times per minute on this planet!
158