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Night-time Launch
Night-time launch of an autonomous underwater vehicle used to map the seafloor in high resolution and detect signs of hydrothermal activity during the In Search of Hydrothermal Lost Cities expedition.
Credit

Image courtesy of David Butterfield/University of Washington and NOAA/Pacific Marine Environmental Laboratory.

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Related Expedition
In Search of Hydrothermal Lost Cities: Searching for Serpentinization-Driven Hydrothermal Activity on Oceanic Core Complexes of the Mid-Atlantic Ridge