ASTRON 1101 Lecture Notes - Lecture 7: Thomas Digges, Heliocentrism, Deferent And Epicycle
11 Sep 2016
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Document Summary
Although the heliocentric model of copernicus was not immediately popular, there were some. Thomas digges was an early adopter of the copernicus model; he translated copernicus into. Digges shattered the celestial sphere: stars are scattered throughout space. Tycho brahe was the last great naked-eye astronomer. He was a nobleman who received support from the king of denmark. Although he admired the mathematical skills of copernicus, tycho rejected the. Brahe proposed a hybrid model for the universe. However, planets and comets orbit the sun. Although tb"s theoretical model was incorrect, his observational skills we unquestioned. In 1572, tb observed a new star (nova stella) in the constellation cassiopeia. Determined it was farther than the moon. Contradicted aristotle that the heavens are unchanging and perfect. With royal support, brahe built an observatory with precision instruments of his own design. He determined positions of planets and stars with an accuracy of 1 arcminute. Johannes kepler finally discarded the idea of epicycles.
