Timocharis of Alexandria

Timocharis of Alexandria (approx. 320 av. J-C - 260 av. J-C) was a Astronome and a Greek Philosophe . Probably born with Alexandria, it was contemporary of Euclide.

In the neighborhoods of the {{- S|III|E}}, with the assistance of Aristillus, it created the first Catalog of stars of the western world. More than 150 years after, Hipparque will compare its own star catalog with that of Timocharis and will discover that the Longitude stars had changed during time, which enabled him to determine the first value of the Précession of the equinoxes.

The crater Timocharis on the the Moon bears its name.

It mentioned first written Mercure.

External bonds

  • Windows to the Universe: Discover Mercury
  • The Astronomer Hipparchus off Rhodos - mentions Timocharis' contribution

Random links:Dawn of Sicily | Eating inventory, of Stunkard and Messick | Lynn Picknett | Economy of Scotland | Government Raymond Poincaré (3) | Mobilisation_américaine_de_paix