Astronauts get taller when they are in space.
224
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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 sun is 330,330 times larger than the earth!
190
It would take more than 150 years to drive a car to the sun.
569
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The light hitting the earth right now is 30 thousand years old.
163