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"In this book, Asger Aaboe selects a few significant "episodes" from early astronomy and treats them in detail, rather than attempting a general survey. First he gives a descriptive account of what one should see when one looks at the sky with the naked eye, unbiased by received knowledge, and with curiosity and wit. He then turns to the arithmetical astronomy of ancient Mesopotamia, where astronomy first became an exact science.
Next are treated Greek geometrical devices accounting for planetary motion, culminating in Ptolemy's planetary models in his Almagest. Ptolemy does not here assign his models absolute size, but if properly scaled, they yield good values, not only of the directions to the planets, but also of the distances to them. In fact, there is evidence that Copernicus used parameters from the Almagest to find the dimensions of his system. There follows a discussion of modifications of Ptolemy's models by Islamic astronomers, who wanted to use only uniform circular motion, some of which Copernicus adopted.
Aaboe concludes this section by clarifying precisely which problem was resolved by the heliocentric hypothesis, as well as by Tycho Brahe's arrangement."--BOOK JACKET.
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Astronomy, History, Astronomy, historyShowing 3 featured editions. View all 3 editions?
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1
Episodes From the Early History of Astronomy
Sep 07, 2011, Springer
paperback
1461301106 9781461301103
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2
Episodes from the Early History of Astronomy
2011, Springer London, Limited
in English
1461301092 9781461301097
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3
Episodes from the Early History of Astronomy
June 26, 2001, Springer
in English
0387951369 9780387951362
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