Beatriz Villarroel

Stockholm University astrophysicist leading the VASCO project (Vanishing and Appearing Sources during a Century of Observations), which mines pre-satellite sky surveys for objects that appear and vanish. A 2025 Scientific Reports (Nature) paper reports that transients on 1950s Palomar plates correlate with nuclear-test days and UAP reports - a rare peer-reviewed thread tying the sky-anomaly question to the UFO-nuclear pattern.

In the UAP recordRuled into the unidentified-phenomena thread on 2 September 2026 from this entity's own name and role text, which contain: "uap", "ufo". An editorial classification of what thread this entity belongs to; it rests on no page and does not claim to. Neighbours were not used - see apply-subjects-2026-09-02.mjs for why.

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