The search for extraterrestrial life is targeting Jupiter's icy moon Europa Europa, Jupiter's fourth-largest moon, is nothing like ours. Its surface is a vast saltwater ocean, encased in a blanket of cracked ice, one that seems to occasionally break open and spew watery plumes into the moon's thin atmosphere. For these reasons, Europa captivates planetary scientists. All that water and energy—and hints of elements essential for building organic molecules —point to another extraordinary possibility. Jupiter's big, bright moon could host life. And they may eventually get some answers. Later this year, NASA plans to launch Europa Clipper, the largest-ever craft designed to visit another planet. The $5 billion mission, scheduled to reach Jupiter in 2030, will spend four years analyzing this moon to determine whether it could support life. Read the full story. —Stephen Ornes This story is from the upcoming print issue of MIT Technology Review, dedicated to exploring hidden worlds. Buy a subscription to get your hands on a copy when it publishes on February 28th! Deals start at just $8 a month. |
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