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Tycho Brahe - Windows to the Universe

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Portrait of Tycho Brahe
The Institute and Museum of the History of Science in Florence, Italy.

Tycho Brahe

Tycho Brahe was a Danish astronomer who lived between 1546-1601. For over twenty years he made observations of stars, comets, and planets in the night sky. Tycho also built the first observatory but did not use telescopes because they hadn't been invented yet.

Tycho's records were used by Johan Kepler to describe the orbits of planets around the sun.


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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF