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The Grand Prismatic Spring is visible from space it is so large. The colors are made from the gradation of temperatures that create mini-ecosystems for thermal bacteria mats. It is truly one of the natural wonders of the world. Enjoy!
The view shows the incredible Grand Prismatic Spring at Yellowstone National Park. The multiple colors in the fringe of the spring are caused by different species of bacteria and algae that dominate according to temperature as the outflow waters cool. If you look close, you can see the tracks of bison in the fringes ...