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.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14