Note 16 — Chapter II
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Tycho de Brahe was a distinguished astronomer, who lived between 1546 and 1601. He was a native of Denmark. His whole life may be said to have been devoted to astronomy. A small work that he published when a young man brought him under the notice of the King of Denmark, with whose assistance he constructed, on the small island of Hulln, a few miles north of Copenhagen, the celebrated Observatory of Uranienburg. Here, seated in “the ancient chair” referred to in the text, and surrounded by numerous assistants, he directed for seventeen years a series of observations, that have been found extremely accurate and useful. On the death of his patron he retired to Prague in Bohemia, where he was employed by Rodolph II. then Emperor of Germany. Here he was assisted by the great Kepler, who, on Tycho’s death in 1601, succeeded him.—Ed.