Lake Geneva is divided into three parts because of its different forms of formation (sedimentation, tectonic folding, glacial erosion): According to the Swiss Federal Office of Topography, swisstopo, "Lac de Genève" designates that part of the "Petit Lac", which lies within the cantonal borders of Geneva (excluding the cantonal exclave Céligny), so about from Versoix–Hermance to the Rhône outflow in Geneva. The Chablais Alps border is its southern shore, the western Bernese Alps lie over its eastern side. The high summits of Grand Combin and Mont Blanc are visible from some places. Compagnie Générale de Navigation sur le lac Léman (CGN) operates
Miles of Marseilles successively at Murcia, Tarascon, Aix, and Montélimar. Miles became known through his Hebrew language translations from the Arabic of scientific and philosophical works. These include: Miles of Marseilles Miles of Marseilles was a Provençal-Jewish physician and philosopher of the Middle Ages. He was born at Marseille around 1294. In some manuscripts he is designated by the name "Bongodos," the Provençal language equivalent of "ben Judah." From early youth he devoted himself to the study of science and philosophy. While still young he left his native place for Salon-de-Provence, where he studied astronomy under the direction of Abba Mari Senior Astruc