41% of the moon is not visible from earth at any time.
103
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Sound doesn't travel in space.
255
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
If two pieces of metal touch in space, they become permanently stuck together.
808
It takes eight and a half minutes for light to get from the sun to earth.
159