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Yesterday, sky watchers around the NASA's Marshall Space Flight Center in Huntsville, Alabama, witnessed something amazing: A complex network of luminous arcs and rings surrounded the afternoon sun. "I've never seen anything quite like it," says eyewitness Bill Cooke, head of NASA's Meteoroid Environment Office. Solar physicist David Hathaway snapped this picture of the display.

The apparition i...s almost certainly connected to hurricane Sandy. The core of the storm swept well north of Alabama, but Sandy's outer bands did pass over the area, leaving behind a thin haze of ice crystals in cirrus clouds. Sunlight shining through the crystals produced an unusually rich variety of ice halos.

Credit: NASA/MSFC David Hathaway / Spaceweather.com
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