Search results
Results from the WOW.Com Content Network
Hipparchus was born in Nicaea, Bithynia, and probably died on the island of Rhodes, Greece. He is known to have been a working astronomer between 162 and 127 BC. [3] Hipparchus is considered the greatest ancient astronomical observer and, by some, the greatest overall astronomer of antiquity.
Hipparchus. Hipparchus (ca. 190 BC – ca. 120 BC) was a Greek astronomer, geographer, and mathematician of the Hellenistic period. Hipparchus was born in Nicaea (now Iznik, Turkey), and probably died on the island of Rhodes. He is known to have been a working astronomer at least from 147 BC to 127 BC.
Hipparchus (Ancient Greek: Ἵππαρχος, romanized: Hípparkhos; died 514 BC) was a member of the ruling class of Athens and one of the sons of Pisistratus. He was a tyrant of the city of Athens from 528/527 BC until his assassination by the tyrannicides Harmodius and Aristogeiton in 514 BC.
Death of the tyrant Hipparchus, by the Syriskos Painter, 475-470 BC Hippias succeeded Peisistratos as tyrant of Athens in 528/7 BC when his father died of advanced age. He was a patron of poets and craftsmen and under his rule Athens experienced a time of prosperity.
When Peisistratus died in 528/7 BC, his son Hippias took the position of Archon and became the new tyrant of Athens, with the help of his brother, Hipparchus, who acted as the minister of culture. The two continued their father's policies, but their popularity declined after Hipparchus began to abuse the power of his position.
Eudoxus, son of Aeschines, was born and died in Cnidus (also transliterated Knidos), a city on the southwest coast of Anatolia. [3] The years of Eudoxus' birth and death are not fully known but Diogenes Laërtius gave several biographical details, mentioned that Apollodorus said he reached his acme in the 103rd Olympiad (368– 365 BC), and claimed he died in his 53rd year.
The smallest was Petra, who weighed in at 2 pounds, 7 ounces; Hannah, the largest, was born at 2 pounds, 13 ounces. Sandhu Quadruplets (Texas Children's Hospital)
The values which Hipparchus took for these variables can be found in Ptolemy's Almagest IV, 9. He says Hipparchus found that the Moon measured its own circle close to 650 times, and that the angular diameter of Earth's shadow is 2.5 times that of the Moon. Pappus tells us that Hipparchus took the mean distance to the Moon to be 67 1 ⁄ 3. This ...