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The tessarakonteres, 1858 illustration. Tessarakonteres (Greek: τεσσαρακοντήρης, "forty-rowed"), or simply "forty", was a very large catamaran galley reportedly built in the Hellenistic period by Ptolemy IV Philopator of Egypt.
Ptolemy I and other early rulers of the dynasty were not married to their relatives, the childless marriage of siblings Ptolemy II and Arsinoe II [22] being an exception. The first child-producing incestuous marriage in the Ptolemaic dynasty was that of Ptolemy IV and Arsinoe III , who were succeeded as co-pharaohs by their son Ptolemy V , born ...
The Ptolemaic system of celestial motion as depicted in the Harmonia Macrocosmica (1661). Science in classical antiquity encompasses inquiries into the workings of the world or universe aimed at both practical goals (e.g., establishing a reliable calendar or determining how to cure a variety of illnesses) as well as more abstract investigations belonging to natural philosophy.
The table of chords, created by the Greek astronomer, geometer, and geographer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy's Almagest, [1] a treatise on mathematical astronomy. It is essentially equivalent to a table of values of the sine function.
[3] [4] As Ptolemy I Soter ("Saviour"), he founded the Ptolemaic dynasty that was to rule Egypt for nearly 300 years. All the male rulers of the dynasty took the name Ptolemy, while princesses and female rulers preferred the names Cleopatra, Arsinoë and Berenice. The Ptolemies also adopted the Egyptian custom of marrying their sisters, with ...
An edition in Latin of the Almagestum in 1515. The Almagest (/ ˈ æ l m ə dʒ ɛ s t / AL-mə-jest) is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy (c. AD 100 – c. 170) in Koine Greek. [1]
Golden ring depicting Ptolemy VI wearing a Greek diadem. Ptolemy VI was the eldest son of Ptolemy V and Cleopatra I.The early reign of Ptolemy V was dominated by the Fifth Syrian War (204–198 BC) against the Seleucid king Antiochus III, who completely defeated the Ptolemaic forces, annexed Coele-Syria and Judaea to his empire, and reduced Egypt to a subordinate position. [2]
Ptolemy XIV Philopator (Ancient Greek: Πτολεμαῖος Φιλοπάτωρ, [1] Ptolemaios; c. 59 – 44 BC) was a Pharaoh of the Ptolemaic Kingdom of Egypt, who reigned from 47 until his death in 44 BC.