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Space Discovery Notable Figures Claudius Ptolemy

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Claudius Ptolemy

Aaron Bowman

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The Life of Astronomer Claudius Ptolemy
Claudius Ptolemy (who lived in Romanized Egypt) was one of the earliest astronomers to make and refine the observations underlying today's astronomy.
https://www.thoughtco.com/claudius-ptolemy-3071076
The Ptolemaic Model
http://www.polaris.iastate.edu/EveningStar/Unit2/unit2_sub1.htm
Claudius Ptolemy (article) | 2. The Big Bang | Khan Academy
Read and learn for free about the following article: Claudius Ptolemy
https://www.khanacademy.org/partner-content/big-history-project/big-bang/how-did-big-bang-change/a/claudius-ptolemy
Ptolemy biography
Biography of Ptolemy (about 85-about 165)
http://www-groups.dcs.st-and.ac.uk/history/Biographies/Ptolemy.html
Ptolemy | Accomplishments, Biography, & Facts | Britannica.com
Ptolemy: Ptolemy was an astronomer, mathematician, and geographer, known for his geocentric (Earth-centred) model of the universe.
https://www.britannica.com/biography/Ptolemy
Ptolemy
Wikipedia
https://en.wikipedia.org/wiki/Ptolemy

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Ptolemy
Κλαύδιος Πτολεμαῖος
Portrait of Ptolemy by Justus van Gent and Pedro Berruguete (1476) ^[a]
Born	c. AD 100^[1] Unknown
Died	160s/170s Alexandria, Egypt, Roman Empire
Citizenship	possibly Roman
Known for	Ptolemaic universe Ptolemy's world map Ptolemy's intense diatonic scale Ptolemy's table of chords Ptolemy's inequality Ptolemy's theorem Equant Evection Quadrant
Scientific career
Fields	Astronomy geography astrology optics

Source : Wikipedia under CC-BY-SA license

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The Life of Astronomer Claudius Ptolemy
Claudius Ptolemy (who lived in Romanized Egypt) was one of the earliest astronomers to make and refine the observations underlying today's astronomy.
https://www.thoughtco.com/claudius-ptolemy-3071076
The Ptolemaic Model
http://www.polaris.iastate.edu/EveningStar/Unit2/unit2_sub1.htm
Claudius Ptolemy (article) | 2. The Big Bang | Khan Academy
Read and learn for free about the following article: Claudius Ptolemy
https://www.khanacademy.org/partner-content/big-history-project/big-bang/how-did-big-bang-change/a/claudius-ptolemy
Ptolemy biography
Biography of Ptolemy (about 85-about 165)
http://www-groups.dcs.st-and.ac.uk/history/Biographies/Ptolemy.html
Ptolemy | Accomplishments, Biography, & Facts | Britannica.com
Ptolemy: Ptolemy was an astronomer, mathematician, and geographer, known for his geocentric (Earth-centred) model of the universe.
https://www.britannica.com/biography/Ptolemy
Ptolemy
Wikipedia
https://en.wikipedia.org/wiki/Ptolemy

Ptolemy
Κλαύδιος Πτολεμαῖος
Portrait of Ptolemy by Justus van Gent and Pedro Berruguete (1476) ^[a]
Born	c. AD 100^[1] Unknown
Died	160s/170s Alexandria, Egypt, Roman Empire
Citizenship	possibly Roman
Known for	Ptolemaic universe Ptolemy's world map Ptolemy's intense diatonic scale Ptolemy's table of chords Ptolemy's inequality Ptolemy's theorem Equant Evection Quadrant
Scientific career
Fields	Astronomy geography astrology optics

Source : Wikipedia under CC-BY-SA license