Early Greek Astronomy And Ptolemy’s Almagest

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Early Greek Astronomy And Ptolemy’s Almagest

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Early Greek Astronomy And Ptolemy’s Almagest. Eratosthenes. Finds the size of the earth within 5%. Important Ratio. Distance to the Moon. If the sun is a point source. Trigonometry Tables in the Almagest. Not in terms of our trig functions sine, cosine, tangent, etc. - PowerPoint PPT Presentation

Transcript of Early Greek Astronomy And Ptolemy’s Almagest

Page 1: Early Greek Astronomy And Ptolemy’s Almagest

Early Greek Astronomy

And

Ptolemy’s

Almagest

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Eratosthenes

• Finds the size of the earth within 5%

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)(2

500

360

5.7

EarthofRadius

mileso

o

milesREarth 38205.72

500360

%5.3

3950

aboutError

milesradiusActual

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Important Ratio

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Distance to the Moon

• If the sun is a point source

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Trigonometry Tables in the Almagest

• Not in terms of our trig functions sine, cosine, tangent, etc.

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Greek Number System

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Ptolemy’s Geographia in digits - e-Perimetron · Ptolemy’s Geographia in digits Keywords: Ptolemy’s Geographia ; Ptolemy’s coordinates; Ptolemy maps; History of maps; map

Ptolemy’s Geographia in digits - e-Perimetron · Ptolemy’s Geographia in digits Keywords: Ptolemy’s Geographia ; Ptolemy’s coordinates; Ptolemy maps; History of maps; map

SECTION 1: OUR VISION OF THE UNIVERSE of Kanazawa Institute of Technology Library Center, Japan Epytoma in Almagestum Ptolemaei (Latin for “Epitome of Ptolemy’s Almagest”) Regiomontanus

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Higher order systematic effect in Ptolemy’s Geographia ...Figure 1. The origin of parallels and meridians in Ptolemy’s Geographia. Coordinates in Ptolemy’s Geographia The world

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Ptolemy Almagest: French and Greek Bilingual Edition

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Ptolemy’s...Vettius Valens, Anthologiac 354. by the early fourth century (and probably much earlier),^ when Pappus wrote his commentary on it, the Almagest had become the standard

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Higher order systematic effect in Ptolemy’s Geographia_

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(Ptolemy’s theorem) - GitHub Pages

(Ptolemy’s theorem) - GitHub Pages

Web viewThe ancient world as depicted by Ptolemy in 150 A. ... the Almagest (on astronomy) and Geography while librarian at Alexandria from 127 - 150 A ... and in a word,

Web viewThe ancient world as depicted by Ptolemy in 150 A. ... the Almagest (on astronomy) and Geography while librarian at Alexandria from 127 - 150 A ... and in a word,

Museum of the History of Science, Broad Street, Oxford OX1 ...Almagest was far from being Ptolemy’s most published work in the period: by the time it appeared in print, there were

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The Almagest Treatment of the Outer Planetsdduke/outer3.pdfinner planets Mercury and Venus, there is a substantial gap between Ptolemy’s description of events and what actually happened.3

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CC. Formerly “Arabian astronomy” – too limiting geographically Used to be slighted coverage – “caretakers” for Greek works, esp. Almagest Now called “Islamic.

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Overview of Mathematical Tables in Ptolemy's Almagest · The mathematical tables in Ptolemy’s Almagest are sets of numerical values that correspond to lengths and arcs in the geometric

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The Scientific Revolution Ptolemaic System: Almagest – geocentric universe (earth-centered) Ptolemaic System: Almagest – geocentric universe (earth-centered)

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