Jupiter's moon Ganymede, is larger than the planet Mercury!
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The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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