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Jupiter's moon Europa has an ice shell about 18 miles thick — and that could be bad news for alien life
Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...
Space.com on MSN
NASA's Juno spacecraft spots the largest volcanic eruption ever seen on Jupiter's moon Io
"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...
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