Here we show that 155 out of 272 (57%) high-quality young clusters within 1 kiloparsec of the Sun arise from three distinct spatial volumes, based on data from the third Gaia release and large-scale spectroscopic surveys.
Their past positions more than 30 million years ago reveal that these families of clusters each formed in one of three compact, massive star-forming complexes, including the Taurus and Scorpius-Centaurus star-forming complexes.
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