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The Kid Should See This

The Grand Prismatic Spring: One of Nature’s Most Amazing Sights

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Yellowstone National Park’s Grand Prismatic Spring may be the nation’s largest hot spring, but it’s primarily known for its vibrant rainbow of colors. Created by the unique bacteria and algae, thermophiles that live within each hued band of mineral-rich water, the reds, oranges, yellows, greens surround a deep blue core that is too hot to sustain life.

“The bacteria produce colors ranging from green to red; the amount of color in the microbial mats depends on the ratio of chlorophyll to carotenoids and on the temperature of the water which favors one bacterium over another. In the summer, the mats tend to be orange and red, whereas in the winter the mats are usually dark green. The center of the pool is sterile due to extreme heat.

“The deep blue color of the water in the center of the pool results from the intrinsic blue color of water, itself the result of water’s selective absorption of red wavelengths of visible light. Though this effect is responsible for making all large bodies of water blue, it is particularly intense in Grand Prismatic Spring because of the high purity and depth of the water in the middle of the spring.”

The Smithsonian Channel video above discusses how the Grand Prismatic Spring gets its kaleidoscopic colors.

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Read in depth about The Science Behind Yellowstone’s Rainbow Hot Spring at Smithsonian Magazine, and from a hill on the Fairy Falls Hike, a short but beautiful time lapse by paper cut artist Harikrishnan Panicker:

Watch more videos: The Geysers of Yellowstone National Park in action, the bubbling mud pots in Rotorua, New Zealand, and different kinds of rainbows.

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