Polar Sea
Encyclopedia
Polar Sea may refer to:
- The Arctic OceanArctic OceanThe Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...
- The Southern OceanSouthern OceanThe Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...
- USCGC Polar Sea (WAGB-11), a United States Coast Guard icebreaker
- The Open Polar SeaOpen Polar SeaThe Open Polar Sea was a hypothesized ice-free ocean surrounding the North Pole. This unproven theory was once so widely believed that many exploring expeditions used it as justification for attempts to reach the North Pole by sea, or to find a navigable sea route between Europe and the Pacific...
, a hypothesized ice-free ocean surrounding the North Pole