The HOV Thetis switches on its external lights as the submersible descends beyond the depths where natural sunlight penetrates. This dive — the eighth of this cruise — was the deepest conducted during Project PHAEDRA 2006. Image courtesy of Richard Camilli, Project PHAEDRA 2006, WHOI, HCMR, Thera Foundation, NOAA.
Related Links
PHAEDRA 2006
PHAEDRA 2006: July 1 Log
NOAA Ocean Explorer Gallery
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