Where is the world's longest lenticular telescope?
In Germany
In France
In Spain
In Norway
Big Spotlight - the world's longest 21-meter-long lens telescope. It is located in the astronomical observatory in Berlin.
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Answers by country
In Germany
In France
In Spain
In Norway
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Greece18
Australia26
the United States145
France14
the Philippines18
Italy10
India242
Switzerland26
Germany260
Poland3592
the United Kingdom94
Canada11
Pakistan15
the Netherlands21
Republic of Ireland11
Austria45