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flux, magnetic

(Encyclopedia)flux, magnetic, in physics, term used to describe the total amount of magnetic field in a given region. The term flux was chosen because the power of a magnet seems to “flow” out of the magnet at ...

Scott, Robert Falcon

(Encyclopedia)Scott, Robert Falcon, 1868–1912, British naval officer and antarctic explorer. He commanded two noted expeditions to Antarctica. The first expedition (1901–4), in the Discovery, organized jointly ...

Byrd, Richard Evelyn

(Encyclopedia)Byrd, Richard Evelyn, 1888–1957, American aviator and polar explorer, b. Winchester, Va. He took up aviation in 1917, and after World War I he gained great fame in the air. He commanded the naval ai...

Coriolis effect

(Encyclopedia)Coriolis effect kôrˌē-ōˈlĭs [key] [for G.-G. de Coriolis, a French mathematician], tendency for any moving body on or above the earth's surface, e.g., an ocean current or an artillery round, to ...

circumpolar star

(Encyclopedia)circumpolar star, star whose diurnal circle lies completely above or completely below an observer's horizon. A star whose diurnal circle lies above the horizon never sets, even though it cannot be see...

Shackleton, Sir Ernest Henry

(Encyclopedia)Shackleton, Sir Ernest Henry, 1874–1922, British antarctic explorer, b. Ireland. The first of his voyages to Antarctica was made as a member of the expedition (1901–4) of Robert F. Scott. Shacklet...

Great South Bay

(Encyclopedia)Great South Bay, arm of the Atlantic Ocean, c.45 mi (72 km) long, between the southern shore of Long Island and offshore barrier islands, SE N.Y. With the rapid population growth along its shores, the...

Natives, South American

(Encyclopedia)Natives, South American, aboriginal peoples of South America. In the land mass extending from the Isthmus of Panama to Tierra del Fuego, Native American civilizations developed long before the coming ...

New South Wales

(Encyclopedia)New South Wales, state (2016 pop. 7,480,228), 309,443 sq mi (801,457 sq km), SE Australia. It is bounded on the E by the Pacific Ocean. Sydney is the capital. The other principal urban centers are New...

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