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Why do some gray asteroids shine red or blue in different lights? New results from NASA’s OSIRIS-REx mission reveal how light reflecting off Bennu’s surface bears witness to impacts across the solar system.

Space weathering expert Michelle Thompson OSIRIS-REx reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly. These results help shed light onto the evolution of rocky bodies in the solar system.

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