Bright Spots on Ceres Could Be Active Ice

March 18, 2015 4:12 PM

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A pair of bright spots that glimmer inside an impact crater on the asteroid Ceres, mystifying scientists, could be coming from some kind of icy plume or other active geology.

New images from NASA’s Dawn spacecraft show the spots, known as ‘feature number 5’, at changing angles as the asteroid rotates in and out of sunlight. The pictures reveal the spots even when they are near the edge of Ceres, when the sides of the impact crater would normally block the view of anythin...

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