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[music throughout] Europa is one of the largest moons of Jupiter, 

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and we believe that Europa has a subsurface ocean 

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tens to hundreds of kilometers thick.

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And so this ocean may be one of the best places to search for life in the Solar System. 





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There’s been three space missions that have provided evidence 

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for Europa harboring liquid water.

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The first one is Voyager in the late 70s,

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the second one is the Galileo Mission in the late 90s,

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and most recently Hubble which detected plume-like emission from 

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hydrogen and oxygen which is closely related to the existence of water beneath its surface.