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A moon called Europa could hold rates extraterrestrial life?

July 16 2014 Last updated at 01:35 BST clock

The search for life on other planets has science fiction writer and NASA missions inspired, but could one of Jupiter's moons, Europa prove?

Bill Nye the Planetary Society of the United States - even the kind known to science - is one of those who think that are worth discovering.

He hopes to convince Congress of which, $ 2000000000 (1200000000 €) to spend to explore Europe.

He stated his case to the BBC's Laura Trevelyan.