Early turbulent mixing as the origin of chemical homogeneity in open star clusters
The abundances of elements in stars are critical clues to stars’ origins. Observed star-to-star variations in logarithmic abundance within an open star cluster—a gravitationally bound ensemble of stars in the Galactic plane—are typically only about 0.01 to 0.05 over many elements1, 2, 3, 4, 5, 6, 7, 8, 9, which is noticeably smaller than the variation of about 0.06 to 0.3 seen in the interstellar medium from which the stars form10, 11, 12, 13, 14. It is unknown why star clusters are so...[Show more]
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