2 天之前 · The maximum depth of the Southern Ocean, using the definition that it lies south of 60th parallel, was surveyed by the Five Deeps Expedition in early February 2019. The expedition's multibeam sonar team identified the deepest point at 60° 28' 46"S, 025° 32' 32"W, with a depth of 7,434 metres (24,390 ft).

2 天之前 · Antarctica; Area: 14,200,000 km 2 5,500,000 sq mi [1] Population: 1,300 to 5,100 (seasonal) Population density: 0.00009/km 2 to 0.00036/km 2 (seasonal) ... Emilio Marcos Palma was the first person born south of the 60th parallel south and the first to be born on the Antarctic mainland at the Esperanza Base of the Argentine Army.

1 小时前 · Antarctica is the southernmost continent on earth and surrounds the South Pole. According to the Antarctic Treaty, the entire area south of the 60th parallel belongs to Antarctica. The area of the mainland is between 13 and 17 million km² and consists almost entirely of a kilometer-thick layer of ice.

6 天之前 · For legal purposes of the Antarctic Treaty, the arbitrary boundary of latitude 60° S is used, south of which lies the Antarctic Treaty Area. The familiar map boundaries of the continent known as Antarctica, defined as the South Polar landmass and all its nonfloating grounded ice , are subject to change with current and future climate change .

2025年1月28日 · Once south of the 60th parallel, the team will use Zodiac boats to sail through Gerlache Strait, famed for its majestic icebergs and humpback whale sightings, scouting potential landing areas.

2025年1月23日 · The continent is divided into East and West Antarctica by the Transantarctic Mountains, one of the longest mountain ranges on Earth that extends for 3,500 kilometres. Around 98% of Antarctica is covered by the Antarctic ice sheet, the largest single mass of ice on Earth, with an average thickness of 2.16 km.

4 天之前 · Arctic Circle, parallel, or line of latitude around Earth, at approximately 66°30′ N. Because of Earth’s inclination of about 23 1 / 2 ° to the vertical, it marks the southern limit of the area within which, for one day or more each year, the sun does not set (about June 21) or rise (about December 21).

6 天之前 · Antarctica - Exploration, Ice, Wildlife: National and personal prestige in attaining the Earth’s poles, as well as territorial acquisition and scientific inquiry, provided strong motivation for polar exploration in the early 1900s.

2025年1月17日 · Antarctic biodiversity database has ice-free areas covered 30 January 2025. Scientists have released the most comprehensive database of species living in ice-free Antarctica. More than 35,000 records will… Read more

2 天之前 · Antarctica is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, i...