The hot spring's plumbing has no constrictions. Superheated water cools as it reaches the surface, sinks, and is replaced by hotter water from below.


The hot spring's plumbing has no constrictions. Superheated water cools as it reaches the surface, sinks, and is replaced by hotter water from below. This circulation, called convection, prevents water from reaching the temperature needed to set off an eruption.


Size: 6240px × 2799px
Location: Yellowstone National Park
Photo credit: © Bill Heinsohn / Alamy / Afripics
License: Royalty Free
Model Released: No

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