NASA drops hints about Europa’s hidden ocean

An image from NASA’s Galileo orbiter shows Europa’s icy surface, crisscrossed by reddish-brown streaks of radiation-darkened salt. (Credit: NASA / JPL / Ted Stryk)

NASA is gearing up to unveil “surprising evidence” of activity that may be related to the presence of a watery ocean beneath the icy surface of Europa, one of Jupiter’s moons.

In a media advisory sent out today, the space agency said the evidence comes from the Hubble Space Telescope, in the form of images taken during a “unique Europa observing campaign.”

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By Alan Boyle

Mastermind of Cosmic Log, contributing editor at GeekWire, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.

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