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The notion that Ptolemy Neos Philopator was the surviving son of Ptolemy VI Philometor and reigned in 145 BC, combined with his listing in the dynastic cult (in order of death and deification, not reign) before Ptolemy Euergetes Physcon, led to the numbering Ptolemy VII Neos Philopator and Ptolemy VIII Euergetes Physcon.
Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, [4] is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked eye, close to the "stinger" of Scorpius. With a declination of −34.8°, it is the southernmost Messier object.
[6] [7] Ptolemy, a general and one of the somatophylakes (bodyguard companions) of Alexander the Great, was appointed satrap of Egypt after Alexander's death in 323 BC. In 305 BC he declared himself Pharaoh Ptolemy I, later known as Sōter "Saviour". The Egyptians soon accepted the Ptolemies as the successors to the pharaohs of independent Egypt.
Ptolemy XV Caesar [b] (/ ˈ t ɒ l əm i /; Ancient Greek: Πτολεμαῖος Καῖσαρ, Ptolemaios Kaisar; 47 BC – late August 30 BC), [2] nicknamed Caesarion (Greek: Καισαρίων, Kaisaríōn, "Little Caesar"), was the last pharaoh of Ptolemaic Egypt, reigning with his mother Cleopatra VII from 2 September 44 BC until her death by 12 August 30 BC, then as sole ruler until his ...
Claudius Ptolemy of Alexandria described several 7-limit tuning systems for the diatonic and chromatic genera. He describes several "soft" (μαλακός) diatonic tunings which all use 7-limit intervals. [7] One, called by Ptolemy the "tonic diatonic," is ascribed to the Pythagorean philosopher and statesman Archytas of Tarentum.
The Tetrabiblos was largely responsible for laying down the basic precepts of Renaissance astrology, [7] and was a necessary textbook in some of the finest universities of Renaissance and early modern Europe. [3] 16th-century woodcut depicting Ptolemy, from Les vrais portraits et vies des hommes illustres, Paris, 1584, f°87.
The Ptolemaic Kingdom (/ ˌ t ɒ l ɪ ˈ m eɪ. ɪ k /; Koinē Greek: Πτολεμαϊκὴ βασιλεία, Ptolemaïkḕ basileía) [6] or Ptolemaic Empire [7] was an Ancient Greek polity based in Egypt during the Hellenistic period. [8]
Ptolemy, in his Harmonics, ii.3–11, construed the tonoi differently, presenting all seven octave species within a fixed octave, through chromatic inflection of the scale degrees (comparable to the modern conception of building all seven modal scales on a single tonic). In Ptolemy's system, therefore there are only seven tonoi.