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The Fleeting Green Flash: Nature's Rarest Light Show

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What Causes This Elusive Phenomenon: The green flash stands as one of nature's most challenging spectacles to witness. This brief optical event occurs when the sun sits at the horizon during sunrise or sunset, producing a green spot or ray of light that lasts only one or two seconds.  The phenomenon results from the atmosphere acting as a giant prism, bending different colors of sunlight at slightly different angles. When conditions align perfectly, green wavelengths become the last visible color before the sun disappears below the horizon or the first to appear at dawn.