/year

Hipparchus

2nd century Greek astronomer, geographer and mathematician

8 dated entries naming Hipparchus, drawn from 7 separate years between 190 BCE and 120 BCE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

JSONWikipedia articleWikidata Q159905

2nd century BC

  • 190 BCEHipparchus, Greek astronomer, geographer, and mathematician (d. c. 120 BC)source
  • 146 BCEHipparchus determines the equinoctial point.source
  • 145 BCEHipparchus determines the length of the tropical year.source
  • 139 BCEHipparchus makes a very precise determination of the length of the synodic month.source
  • 134 BCEHipparchus discovers the precession of the equinoxes.source
  • 129 BCETotal solar eclipse, used by Hipparchus to estimate distance to the Moon.source
  • 129 BCEHipparchus publishes his catalog of stars.source
  • 120 BCEHipparchus, Greek astronomer and mathematician, on Rhodes (approximate date) (b. c. 190 BC)source

Named in the same entries