Discovery adds weight to view that Europa’s ocean could be most promising place in solar system to look for alien life
The vast subterranean ocean of Europa, one of Jupiter’s many moons, contains carbon, one of the crucial ingredients for life, scientists have discovered., indicate that carbon dioxide ice on the moon’s surface originated from the salty ocean that lies beneath a 10-mile thick crust of ice.
At 2,000 miles wide, Europa is slightly smaller than Earth’s moon. Hypothetical lifeforms would have to contend with some extreme adversities, including surface temperatures than rarely exceed -140C and incoming radiation from Jupiter. But, Europa’s ocean – 40-100 miles deep, 10 to 15 miles beneath its icy surface – has made the moon a leading contender in the search for life.
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