What kinds of scientific facilities did Tycho Brahe build at Uraniborg?

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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.

At Uraniborg, the observatory established by Tycho Brahe in 1576, the facilities were designed to support both scientific research and residential needs.

The site featured a palatial three-story building that served as a residence for Tycho, his staff, and student astronomers, while also functioning as a venue for entertaining royalty.1

To conduct his pioneering work, Tycho equipped the facility with highly accurate astronomical instruments, including:

Quadrants1
Parallactic rulers1
Armillary spheres1

These instruments allowed Tycho to produce the first organized and extensive collection of reliable astronomical data, which later enabled Johannes Kepler to formulate his laws of planetary motion.1