Françoise Launay
Broschiertes Buch

The Astronomer Jules Janssen

A Globetrotter of Celestial Physics

Versandkostenfrei!
Versandfertig in 6-10 Tagen
76,99 €
inkl. MwSt.
Weitere Ausgaben:
PAYBACK Punkte
38 °P sammeln!
A physicist and an inventor, Jules Janssen (1824-1907) devoted his life to astronomical research. He spent many years traveling around the world to observe total Solar eclipses, demonstrating that a new era of science had just come thanks to the use of both spectroscopy and photography, and persuading the French Government of the necessity of founding a new observatory near Paris. He became its director in 1875. There, at Meudon, he began routine photographic recordings of the Sun surface and had a big refractor and a big reflector built. Meanwhile, he also succeeded in building an Observatory...