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Where was Tycho Brahe’s Uraniborg observatory located?

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Painting of Danish astronomer Tycho Brahe wearing a black robe with a white ruffled collar and a gold chain necklace with a large pendant. — Tycho Brahe Tycho Brahe.

Tycho Brahe’s Uraniborg observatory was located on the island of Ven (formerly Hven). This island is situated in the middle of The Sound, approximately halfway between Copenhagen and Helsingør, off the coast of what is now southern Sweden but was then under Danish hegemony.12