Blue loop

dcterms modified equal to or less than 2020-11-03T17:47:32.056Zequal to or more than 2020-11-03T17:47:32.056Z
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definition An evolutionary behavior of certain stars, particularly massive stars, which return to the blue stage after becoming a red supergiant. The phenomenon appears as a blueward loop on the theoretical evolutionary tracks.
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Concept original
contributor AAS_Frey.Katie original