AG 116AD Lecture Notes - Lecture 35: Astronomia Nova, Jigsaw Puzzle, Epicurus
29 Jul 2020
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Document Summary
Scientific revolution = series of discoveries in the 17th century influenced by galilei, descartes and. Newton, that enhanced the status of science in society. From a geocentric to a heliocentric model of universe (nature mechanical: astronomy became interesting, because the julian calendar seemed to be wrong (underestimated year by 11 minutes) Astronomic observations and calculations were needed to correct the calendar copernicus: was replaced by gregorian calendar in 1582. The geocentric model of the universe in the 16th century (aristotle, elaborated by ptolemy) Geocentric model = earth as centre of universe: earth surrounded by fixed stars which circled in perfect harmony around the earth, between earth and fixed starts were seven wandering stars (moon, sun + planets) The addition of epicycles (ptolemy 100 bce 168 bce: problem: some of the wandering stars were moving differently than expected. Epicycles: small cycles made by the wandering stars in addition to their main cycle around the earth.
