This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Gellrthegyi Csillagda tervrajza . aa Gellrthegyi Csillagda tervrajza bl ben avattk fel budapesti egyetem ketts kupolj obszervatriumt Gellrthegy tetejn Szmtalan korabeli ltkpen lthat Gellrthegyen trnol csillagvizsglval tbb olyan brzols is kszlt melyeken mind rgi mind az csillagda lthat Az Urnihoz csillagszat mzsjhoz cmzett intzmny