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Bathurst Island, Canada

(Encyclopedia)Bathurst Island, 7,609 sq mi (19,707 sq km), in the Arctic Archipelago, Nunavut Territory, N Canada. It is the present site of the North Magnetic Pole. ...

Antarctic Peninsula

(Encyclopedia)Antarctic Peninsula, glaciated mountain region of W Antarctica, extending c.1,200 mi (1,930 km) N toward South America. In the south, volcanic peaks rise to c.11,000 ft (3,350 m); other volcanic cones...

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...

Beaufort, Henry

(Encyclopedia)Beaufort, Henry bōˈfərt [key], 1377?–1447, English prelate and statesman. The son of John of Gaunt, duke of Lancaster, and his mistress (later wife) Catherine Swynford, he was half-brother to Hen...

Nansen, Fridtjof

(Encyclopedia)Nansen, Fridtjof frĭtˈyôf nänˈsən [key], 1861–1930, Norwegian arctic explorer, scientist, statesman, and humanitarian. The diversity of Nansen's interests is shown in his writings, which inclu...

Morris Jesup, Cape

(Encyclopedia)Morris Jesup, Cape jĕsˈəp [key], northernmost land point in the world, N Greenland. At lat. 83°39′N, it is 440 mi (708 km) from the North Pole. U.S. explorer Robert Peary reached the cape in 189...

Paul IV

(Encyclopedia)Paul IV, 1476–1559, pope (1555–59), a Neapolitan named Gian Pietro Carafa; successor of Marcellus II. First superior of the Theatines (see Cajetan, Saint), he was sternly ascetic. A leading reform...

Antarctica

(Encyclopedia)CE5 Antarctica ăntärkˈtĭkə, –ärˈtĭkə [key], the fifth largest continent, c.5,500,000 sq mi (14,245,000 sq km), asymmetrically centered on the South Pole and almost entirely within the An...

switch

(Encyclopedia)switch, electrical device having two states: on, or closed; and off, or open. Ideally a switch offers a zero impedance to a current when it is closed, and it offers infinite impedance when open. Mecha...

Bache Peninsula

(Encyclopedia)Bache Peninsula bāch [key], on E Ellesmere Island, in N Nunavut Territory, Canada. U.S. explorer Robert Peary proved this area to be a peninsula when he explored (1898) the region. From 1926 to 1933 ...