The book of science

Tom Sharp

Tycho Brahe astronomy


Science in his day

In our day

Tycho Brahe was the last major observational astronomer to work without a telescope; he used sextants and quadrants. Actually, in Astronomiæ Instauratæ Mechanica Brahe described more than a couple dozen astronomical instruments that he used or designed. Galileo Galilei introduced the use of telescopes into astronomy in 1610.

Tycho Brahe the man is known for his geo-heliocentric model of the solar system, and for a duel during which he lost his nose.

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