Determined, Cook continued south, and on January 17, 1773, his ship, the Resolution, and its companion, the Adventure, were the first vessels known to cross the Antarctic Circle.
I vendosur, Kuku vazhdoi për në jug, dhe më 17 janar 1773, anija e tij Resolution, bashkë me shoqëruesen e saj, Adventure, ishin mjetet e para lundruese që dihet të kenë kaluar Rrethin Polar Antarktik.