One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Sound doesn't travel in space.
255
Pluto is smaller than Russia.
9
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