Wilhelm-Foerster-Sternwarte mit Zeiss-Planetarium, Bibliothek is the library in Germany.
According to PR-model, planetarium-berlin.de is ranked 1,017,527th in multilingual Wikipedia, in particular this website is ranked 822,821st in English Wikipedia.
The website is placed before boa.se and after ginktage.com in the BestRef global ranking of the most important sources of Wikipedia.