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Thermophiles thrive in heat and acid, producing colorful communities in Yellowstone's hot springs (view large file)

Microscopic life thrives in Yellowstone's geothermal features. Many thermophiles take up residence in the extremely hot pools of water. Others colonize the sometimes slightly cooler runoff channels and form long, flexible structures called streamers which are visible in this photo.

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Star Valley, Wyoming

Photo details

  • Uploaded on May 18, 2011
  • © All Rights Reserved
    by Carlee Wicks
    • Camera: Canon EOS DIGITAL REBEL XTi
    • Taken on 2009/02/10 13:29:06
    • Exposure: 0.010s (1/100)
    • Focal Length: 85.00mm
    • F/Stop: f/5.600
    • ISO Speed: ISO100
    • Exposure Bias: 0.33 EV
    • No flash