Search results
Results From The WOW.Com Content Network
The reassessment of the evidence about the second son of Ptolemy VI and Cleopatra II has led to the alternative identification of Ptolemy Neos Philopator with Ptolemy Memphites, the son of Ptolemy VIII and Cleopatra II, who was born probably in August 143 BC, owing his by-name to his father's installation as pharaoh at the traditional capital ...
Opening chapter of the first printed edition of Ptolemy's Tetrabiblos, transcribed into Greek and Latin by Joachim Camerarius (Nuremberg, 1535).. The commonly known Greek and Latin titles (Tetrabiblos and Quadripartitum respectively), meaning 'four books', are traditional nicknames [24] for a work which in some Greek manuscripts is entitled Μαθηματικὴ τετράβιβλος ...
Although Copernicus' models reduced the magnitude of the epicycles considerably, whether they were simpler than Ptolemy's is moot. Copernicus eliminated Ptolemy's somewhat-maligned equant but at a cost of additional epicycles. Various 16th-century books based on Ptolemy and Copernicus use about equal numbers of epicycles.
Seven Brief Lessons on Physics (Italian: Sette brevi lezioni di fisica) is a short book by the Italian physicist Carlo Rovelli. Originally published in Italian in 2014, by 2021 the book has been translated into 52 languages. [1] More than a million copies have been sold, of which more than 400,000 in Italy. [2]
Ptolemy displaced the observation point from the center of the deferent to the equant point. This can be seen as violating the axiom of uniform circular motion. Noted critics of the equant include the Persian astronomer Nasir al-Din Tusi who developed the Tusi couple as an alternative explanation, [ 10 ] and Nicolaus Copernicus , whose ...
Variational principles are found among earlier ideas in surveying and optics.The rope stretchers of ancient Egypt stretched corded ropes between two points to measure the path which minimized the distance of separation, and Claudius Ptolemy, in his Geographia (Bk 1, Ch 2), emphasized that one must correct for "deviations from a straight course"; in ancient Greece Euclid states in his ...
The work begun by Ptolemy Soter was carried on by his descendants, in particular by his two immediate successors, Ptolemy Philadelphus and Ptolemy Euergetes. Philadelphus (285–247), whose librarian was the celebrated Callimachus , gathered all the works of Aristotle , and also introduced a number of Jewish and native Egyptian works.
The Ptolemaic Decrees were a series of decrees by synods of ancient Egyptian priests.They were issued in the Ptolemaic Kingdom, which controlled Egypt from 305 BC to 30 BC. . In each decree, the benefactions of the reigning pharaoh, especially towards the priesthood, are recognised, and religious honours are decreed for h