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    "headline": "Perseus's Young Stars Pointed Outward",
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    "dek": "A 406-object census found outward motions and an age-distance gradient consistent with sequential formation.",
    "summary": "A 406-object census found outward motions and an age-distance gradient consistent with sequential formation.",
    "body_text": "Using Gaia DR3 astrometry and Bayesian age estimates for 406 young stellar objects, researchers report outward motions, a negative age-distance gradient and alignment with remaining gas in Perseus. The accepted Astronomy & Astrophysics study interprets the pattern as consistent with expansion-triggered sequential star formation, not proof of a single trigger.",
    "why_it_matters": "A 406-object census found outward motions and an age-distance gradient consistent with sequential formation.",
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    "tags": [
      "Perseus",
      "star formation",
      "Gaia"
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      "title": "arXiv preprint 2608.04984",
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