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Pangaea or Pangea (/ p æ n ˈ dʒ iː ə / pan-JEE-ə) [1] was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. [2] It assembled from the earlier continental units of Gondwana , Euramerica and Siberia during the Carboniferous approximately 335 million years ago, and began to break apart about 200 million years ...
Greenland Native name: Grønland Kalaallit Nunaat Outline map of Greenland with ice sheet depths. (Much of the area in green has permanent snow cover, but less than 10m (33ft) thick.) Geography Location Between the Arctic Ocean and the North Atlantic Ocean Coordinates 64°10′N 51°43′W / 64.167°N 51.717°W / 64.167; -51.717 Area 2,166,086 km 2 (836,330 sq mi) Area rank 1st ...
Alaska is the largest state in the United States in terms of land area at 570,380 square miles (1,477,300 km 2), over twice (roughly 2.47 times) as large as Texas, the next largest state, and is the seventh largest country subdivision in the world, and the third largest in North America, about 20.4% smaller than Denmark's autonomous country of ...
The Isua greenstone belt in southwestern Greenland contains the oldest known rocks on Earth dated at 3.7–3.8 billion years old. [3] The Precambrian basement of Greenland formed an integral part of the Laurentian Shield that is at the core of the North American continent. Greenland was formed in two rifting stages from the main body of North ...
The projection found on these maps, dating to 1511, was stated by John Snyder in 1987 to be the same projection as Mercator's. [6] However, given the geometry of a sundial, these maps may well have been based on the similar central cylindrical projection, a limiting case of the gnomonic projection, which is the basis for a sundial. Snyder ...
The United States has long been interested in obtaining Greenland, considering making a bid for the North Atlantic island in 1867, when it also purchased Alaska from Russia.
The Thule culture migrated eastward from what is now known as Alaska around 1000 AD, reaching Greenland around 1300. The Thule culture was the first to introduce to Greenland such technological innovations as dog sleds and toggling harpoons. There is an account of contact and conflict with the Norse population, as told by the Inuit.
Former national security adviser Robert O’Brien said in a Sunday interview that Denmark should let the U.S. “buy” Greenland if it cannot defend the self-governing country, noting the ...