Example image of eyePlorer eyePlorer map for 'Ven, Sweden': Denmark Scania Sweden Zealand (Denmark) Øresund Landskrona Municipality Skåne County Treaty of Roskilde Treaty of Copenhagen (1660) Observatory Stjerneborg Tycho Brahe Uraniborg Copenhagen Helsingborg Landskrona Moraine Durum Grape Gabriel Jönsson Uranienborg Possessions of Sweden 379 Huenna August 8 Sophia Brahe Uranienborg, Norway Karen Andersdatter Timeline of telescopes, observatories, and observing technology Christen Sørensen Longomontanus Research institute Sound Dues Hørsholm Municipality Rømer's determination of the speed of light Swedish calendar Metius Urania Adriaen Banckert Mural instrument Ven History of supernova observation Ole Rømer Triangulation Battle of Copenhagen (1807) Herrevad Abbey Dano-Swedish War (1658–1660)
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