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Graduate Poster
The lowest known point is Challenger Deep, at the bottom of the Mariana Trench, 11,034 m (36,201 feet) below sea level. Only three humans have reached the bottom of the trench: Jacques Piccard and U.S. Navy Lieutenant Don Walsh in 1960 aboard the bathyscaphe Trieste, and filmmaker James Cameron in 2012 aboard Deepsea Challenger.
The lowest point underground is more than 2,000 m (6,600 feet) under the Earth's surface. For example, the altitude difference between the entrance and the deepest explored point (the maximum depth) of the Krubera Cave in Georgia is 2,191 ± 20 m (7,188 ± 66 feet). In 2012, Ukrainian cave diver Gennadiy Samokhin reached the lowest point, breaking the world record.
The lowest point on land not covered by liquid water is the valley under the Byrd Glacier in Antarctica, which reaches 2,780 m (9,121 feet) below sea level. It is, however, covered by a thick layer of ice.
The lowest point on dry land is the shore of the Dead Sea, shared by Jordan, Palestine, and Israel, 418 m (1,371 feet) below sea level.
The point closest to the Earth's center on the Earth's surface (interpreted as a natural surface of the land or sea that is accessible by man) is the surface of the Arctic Ocean at the Geographic North Pole (6,356.77 km or 3,950 miles).
The closest point on the ground (interpreted as a land surface or sea floor) is the bottom of the Litke Deep, the deepest point of the Arctic Ocean, which is 6,351.61 km (3,947 miles) from the center of the Earth. By comparison, the bottom of the deepest oceanic trench in the world, the Mariana Trench in the Pacific Ocean, is 14.7 km (9 miles) further from the center of the Earth.
The lowest point underground is more than 2,000 m (6,600 feet) under the Earth's surface. For example, the altitude difference between the entrance and the deepest explored point (the maximum depth) of the Krubera Cave in Georgia is 2,191 ± 20 m (7,188 ± 66 feet). In 2012, Ukrainian cave diver Gennadiy Samokhin reached the lowest point, breaking the world record.
The lowest point on land not covered by liquid water is the valley under the Byrd Glacier in Antarctica, which reaches 2,780 m (9,121 feet) below sea level. It is, however, covered by a thick layer of ice.
The lowest point on dry land is the shore of the Dead Sea, shared by Jordan, Palestine, and Israel, 418 m (1,371 feet) below sea level.
The point closest to the Earth's center on the Earth's surface (interpreted as a natural surface of the land or sea that is accessible by man) is the surface of the Arctic Ocean at the Geographic North Pole (6,356.77 km or 3,950 miles).
The closest point on the ground (interpreted as a land surface or sea floor) is the bottom of the Litke Deep, the deepest point of the Arctic Ocean, which is 6,351.61 km (3,947 miles) from the center of the Earth. By comparison, the bottom of the deepest oceanic trench in the world, the Mariana Trench in the Pacific Ocean, is 14.7 km (9 miles) further from the center of the Earth.
