Catalogues.

The 1603 Sphaera stellifera globe by Willem Janszoon Blaeu showcases cutting-edge 17th-century astronomy in three dimensions. Designed by printmaker Jan Saenredam, it is also stunningly beautiful. It features highly accurate observations of the Northern Hemisphere, and pictures the newly discovered constellations of the Southern sky, offering them as heavenly proof of the success of the Dutch colonial enterprise.

To train in stargazing, the publisher and mapmaker Blaeu traveled to the island of Hven in Denmark, where he studied with Tycho Brahe, the preeminent astronomer of the period, whose detailed observations made possible Johannes Kepler’s discovery of the three laws of planetary motion. This globe relies on Tycho’s star catalogues to show the positions of the Northern stars, and it also prominently portrays the Danish astronomer.

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