Related by context. Frequent words. (Click for all words.) 69 Polarstern 58 Spitzbergen 55 Antartic 55 Svalbard archipelago 54 Fridtjof Nansen 54 Alfred Wegener Institute 54 German battleship Bismarck 53 Bremerhaven Germany 53 Humpback whale 53 STX Finland 53 Antarctic expedition 52 Undersea Research 52 Norwegian explorer Roald 52 Coast Guard icebreaker 52 Baltica 52 Nordkapp 52 IODP 51 Antarctic 51 Svitzer 51 HMS Endurance 51 Cryosat 51 Weddell Sea 50 polar expeditions 50 Bremerhaven 50 PlanetSolar 50 HMS Vanguard 50 Accident Investigation Board 50 Wadden Sea 50 HMS Tireless 50 Max Planck Society 50 Esrange 50 naval frigate 50 Antarctica 49 Oberpfaffenhofen 49 Odyssey Explorer 49 Jülich 49 REMUS 49 Antartica 49 Tromso Norway 49 trawler sank 49 Deutsche Forschungsgemeinschaft 48 Galileo spacecraft 48 Quark Expeditions 48 EUNAVFOR 48 Hansa Stavanger 48 Geographical Society 48 Severomorsk 48 Antarctic Expedition 48 transatlantic voyage 48 Baltic Sea 48 Southern Observatory ESO 48 Cassini Huygens 48 hydrographic survey 48 EPICA 48 whaling vessel 48 underwater archeology 48 floe 47 Thor Heyerdahl 47 Ross Ice Shelf 47 Helmholtz Centre 47 SkySails 47 navy frigate 47 USS Nautilus 47 Roald Amundsen 47 submersible robot 47 Finnish Meteorological 47 Hydrographic 47 Limnology 47 Arctic explorer 47 barque 47 HELCOM 47 Scapa Flow 47 Pen Hadow 47 Somali pirates seize 47 ESA astronaut 46 EU Navfor 46 MBARI 46 Lake Vostok 46 Stratospheric Observatory 46 navy warship 46 By David Ibison 46 Cape Farewell 46 VTT Technical Research 46 Priz 46 Cap Anamur 46 AeroLogic 46 agency CNES 46 Plesetsk Cosmodrome 46 Willerslev 46 HMCS Athabaskan 46 crewmen aboard 46 MSC Melody 46 IABG 46 Ecoterra 46 Antarctic Territory 46 polar expedition 46 Andrea Doria 46 Helmholtz Zentrum München 46 Sea Shepherd vessel 46 harpoon ships 46 oceanographic survey