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James Webb telescope spots weird changes on Jupiter's icy moon Europa

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Summary
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83% Informative

Recent observations made by the James Webb Space Telescope (JWST) show that Europa 's surface ices are constantly changing.

The changes seen at Europa are very short-term, perhaps two weeks in some places.

Scientists say they are seeing increasing evidence for a liquid ocean beneath the icy surface.

Chaos regions could be the result of material forcing its way via diapirs (think of them as stovepipes from below that convey warmer water and slush up to the surface.

The water also brings up dissolved CO2 and other materials.

The authors of the paper state that the charged particle-driven process that changes the ice may work in as little as 15 days on Europa 's leading hemisphere.

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