WebbPtolemy credited Hipparchus (mid-2nd century bce) with essential elements of his solar theory, as well as parts of his lunar theory, while denying that Hipparchus constructed … Webb16 juli 2024 · Hippocrates studied the human body and discovered there were scientific reasons for ailments. He told physicians to watch especially when fever peaked. He made diagnoses and prescribed simple treatments like diet, hygiene, and sleep. Eudoxus of Knidos (c. 390–c. 340 BCE) Eudoxus' model of planetary motion. …
Gerald J. Toomer - Vikipedi
Webb1 aug. 2006 · The story begins around 129 B.C., when the Greek astronomer Hipparchus produced the first well-known star catalog. Hipparchus ranked his stars in a simple way. He called the brightest ones "of the first magnitude," simply meaning "the biggest." Stars not so bright he called "of the second magnitude," or second biggest. Webb5 aug. 2024 · The assumption that Ptolemy adopted star coordinates from a star catalog by Hipparchus is investigated based on Hipparchus’ equatorial star coordinates in his Commentary on the phenomena of Aratus and Eudoxus. Since Hipparchus’ catalog was presumably based on an equatorial coordinate system, his star positions must have … pina alisson
A History of Ancient Greek Physics - ThoughtCo
WebbHipparchus was a Greek astronomer and mathematician who discovered the precession of the equinoxes, calculated the length of the year to within six and half minutes. … Hipparchos eller Hipparkos (grekiska Ἳππαρχος, latin Hipparchus), född omkring 190 f.Kr i Nicaea, död omkring 125 f.Kr., var en grekisk astronom och matematiker. Han räknas ofta som antikens störste astronom och som grundläggaren av astronomi som vetenskap. Bland Hipparchos många insatser kan nämnas den första pålitliga metoden at… WebbHipparchus, or Hipparchos, (born, Nicaea, Bithynia—died after 127 bc, Rhodes?), Greek astronomer and mathematician.He discovered the precession of the equinoxes (see equinoxes, precession of the), calculated the length of the year to within 6.5 minutes, compiled the first known star catalog, and made an early formulation of … gympass mannheim