- Archenhold Observatory
Infobox Observatory
name = Archenhold Observatory
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location =Berlin ,Germany
coords = coord|52|29|09|N|13|28|34|E|display=title,inline|region:DE-BE_type:landmark_source:dewiki
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established =1 May 1896
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website = [http://www.astw.de www.astw.de]
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telescope4_type = The Archenhold Observatory, named in honor ofFriedrich Simon Archenhold , is anobservatory inBerlin-Treptow .It was opened to the public on 1 May 1896 as the Treptow Observatory to coincide with the Berlin Industrial Show. Based on Archenhold's design it contained what was then the world's longest telescope, with a focal length of 21 meters. The Observatory was named after Archenhold at its 50th anniversary in 1946. The telescope was deactivated from 1958-1983 for repairs, and remains functional to this day [cite web|url=http://www.astw.de/start.htm|title=Archenhold-Sterwarte Website]
The observatory is also noted as the location of
Albert Einstein 's first public lecture on theTheory of Relativity in Berlin.References
External links
*Commons-inline|Archenhold-Sternwarte
* [http://www.astw.de Archenhold-Sterwarte Observatory]
* [http://www.agorion.de/pub/teleskop/teleskop.pdf#search=%22Archenbold%20Sternwarte%22 Teleskopseminar der AG Orion Bad Homburg und der Astronomieschule Oliver Debus]
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