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The silvery waters of the Alabama River meander across the image, contrasted against surrounding land in shades of green. At various points, the water extends outward from the borders of the river.

Sunglint on the Alabama River

An astronaut aboard the International Space Station shot this photo of large meanders of the Alabama River while orbiting over the southern United States. The river’s smooth water surface reflects sunlight back toward the astronaut’s camera, producing an optical phenomenon known as sunglint.

Image Credit: NASA/Woody Hoburg

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