Cyanobacteria make hot springs appear colored, Upper Geyser Basin, YNP

Cyanobacteria make hot springs appear to be colored, Upper Geyser B...

Detailed Description

Hot spring cyanobacteria are wonders of life at high temperatures. Some live in water as hot as 167 ºF (75 ºC). At this temperature they are usually yellow, but become darker- orange, rust, or brown- as the water cools.

Details

Image Dimensions: 500 x 800

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