Almagest | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-06

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Almagest


00:01:06 1 Names
00:02:01 2 Contents
00:02:10 2.1 Books
00:04:53 2.2 Ptolemy's cosmos
00:06:16 2.3 The star catalog
00:07:00 2.4 Ptolemy's planetary model
00:09:30 3 Impact
00:11:50 4 Modern editions
00:14:35 5 Gallery
00:15:48 6 See also
00:15:57 7 Footnotes



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Voice name: en-US-Wavenet-B


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- Socrates


SUMMARY
=======
The Almagest () is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy (c. AD 100 – c. 170). One of the most influential scientific texts of all time, it canonized a geocentric model of the Universe that was accepted for more than 1200 years from its origin in Hellenistic Alexandria, in the medieval Byzantine and Islamic worlds, and in Western Europe through the Middle Ages and early Renaissance until Copernicus. It is also a key source of information about ancient Greek astronomy.

Ptolemy set up a public inscription at Canopus, Egypt, in 147 or 148. N. T. Hamilton found that the version of Ptolemy's models set out in the Canopic Inscription was earlier than the version in the Almagest. Hence the Almagest could not have been completed before about 150, a quarter-century after Ptolemy began observing.