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new analysis of archival hubble data

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revealed water vapor in the atmosphere

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of jupiter's icy moon europa

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europa's icy smooth surface scarred by

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cracks and fissures

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minus

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275 degrees fahrenheit but researchers

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suspect the vast ocean lurks beneath

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that surface

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the hubble space telescope previously

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detected 60 mile high plumes of water

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vapor erupting like geysers

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these new results show water vapor over

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a larger area suggesting a long-term

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water vapor atmosphere on one of

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europa's hemispheres

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this discovery lays groundwork for

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missions that will explore jupiter's icy

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moons

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understanding the formation and

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evolution of jupiter and its moons helps

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astronomers gain insights into