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Vibrant, multicolored extremophilic bacteria in the outflow from Grand Prismatic Spring, Yellowstone National Park

By Yellowstone Volcano Observatory
Red, brown, yellow bacterial mats in shallow water. Blue-green steaming hot spring behind. Snow/tree-covered hill in backgrd.
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View of the vibrant, multicolored extremophilic bacteria in the outflow from Grand Prismatic Spring at the Midway Geyser Basin, Yellowstone National Park. Photo by Elizabeth Mordensky, May 12, 2024.

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Public Domain.

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