‘Blue straggler’ likely born from a collision of stars

Meet HD 65907, an imposter. It’s a star that appears far too young for its age. Astronomers have finally cracked the case of this mysterious object, which has not led a normal life. Instead, the star appears to be the result of the merger of two much older stars. Astronomers have a name for starsContinue reading “‘Blue straggler’ likely born from a collision of stars”

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