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Greenland Sea

(Encyclopedia)Greenland Sea, arm of the Arctic Ocean, off the northeast coast of Greenland between Svalbard and Jan Mayen Island. It is the main outlet of the Arctic Ocean to the Atlantic. Because of drifting arcti...

sphere

(Encyclopedia)sphere, in geometry, the three-dimensional analogue of a circle. The term is applied to the spherical surface, every point of which is the same distance (the radius) from a certain fixed point (the ce...

Back, Sir George

(Encyclopedia)Back, Sir George, 1796–1878, British explorer in N Canada. He accompanied Sir John Franklin on arctic expeditions in 1818, 1819–22, and 1824–27. On an expedition (1833–35) to search for the mi...

Wilkins, Sir George Hubert

(Encyclopedia)Wilkins, Sir George Hubert, 1888–1958, British explorer, b. Australia. He made a number of trips to Antarctica and to the Arctic. Valuable experience gained when he accompanied Vilhjalmur Stefansson...

Murmansk

(Encyclopedia)Murmansk mo͝ormänskˈ [key], city (1989 pop. 468,000), capital of Murmansk region, NW European Russia, on the Kola Gulf of the Barents Sea. It is the terminus of the Northeast Passage and the world'...

Scoresby, William

(Encyclopedia)Scoresby, William skôrzˈbē [key], 1789–1857, English arctic explorer and scientist. He made yearly voyages (1803–22) to Greenland, at first on his father's whaler, later as captain on other shi...

Lapland

(Encyclopedia)Lapland lăpˈlăndˌ [key], Finn. Lappi, Nor. Lapland, Swed. Lappland, vast region of N Europe, largely within the Arctic Circle. It includes the Norwegian provinces of Finnmark and Troms and part of...

Mackenzie

(Encyclopedia)Mackenzie, river, c.1,120 mi (1,800 km) long, issuing from Great Slave Lake, Northwest Territories, Canada, and flowing generally NW to the Arctic Ocean through a great delta. Between Great Slave Lake...

polar regions

(Encyclopedia)polar regions: see Antarctica; Arctic, the. ...

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