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Latest Nick Makris Stories

2003-10-25 06:00:00

Sounding Europa On the Cheap: Eavesdropping On Ice Geological Society of America -- Forget drilling. A simpler and cheaper way to search for an ocean under Europa's glacial surface is to land a solitary electronic ear on the Jovian moon, and listen to the echoes of cracking ice. By applying a technique already tested on Arctic Sea ice, a single "geophone" listening device could reveal how the icy moon's surface flexes, cracks and quakes with tidal forces. Just how the resulting vibrations...