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Thaddaeus Hagecius

1 story mention Thaddaeus Hagecius on DeadlyCurious.

The Footnote June 10, 2026 · Uraniborg observatory, Hven island, Sound between Denmark and Sweden

The Comet That Broke the Crystal Spheres

In November 1577 a comet appeared over Europe so bright it cast shadows. A twenty-eight-year-old Dane measured its distance and demolished Aristotle's heavens.

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