Antarctica ita ce mafi sanyi a cikin nahiyoyin duniya. Ya kasance ba tare da kankara ba har zuwa kimanin shekaru miliyan 34 da suka gabata, lokacin da aka rufe shi da kankara. Yanayin iska mafi sanyi da aka rubuta a duniya ya kasance -89.2 ° C (-128.6 ° F) a tashar Vostok ta Rasha a Antarctica a ranar 21 ga Yuli 1983. Don kwatanta, wannan shine 10.7 ° C (20 ° F) mafi sanyi fiye da subliming busassun kankara a wani yanayi na matsin lamba, amma tun da CO2 kawai ya zama 0.039% na iska, za a buƙaci yanayin zafi na ƙasa da -140 ° C (-220 ° F) don samar da dusar ƙanƙara a Antarctica.
Ƙasar Antarctica