File:AOP-Potsdam.jpg

DescriptionAOP-Potsdam.jpg English: The Astrophysical Observatory in Potsdam, Germany. The building now hosts the Potsdam Institute for Climate Impact

DescriptionGreat Refractor Potsdam.jpg English: The Great Refractor of the Astrophysical Observatory Potsdam (AOP), Germany, was finished in 1899. It consists

DescriptionDome Great Refractor Potsdam.jpg English: Dome of the Great Refractor at the Astrophysical Observatory Potsdam (AOP), Germany. The diameter of the

Potsdam 1930.jpg Astrophysikalisches Observatorium Potsdam (AOP) auf dem Telegrafenberg (1930) Date 1930 Source http://de.wikipedia.org/wiki/Bild:Aop