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radioactivity

(Encyclopedia)CE5 Effects of a magnetic field on the products of radioactivity CE5 Disintegration series: Radioactive decay of radium-226 into lead-206 radioactivity, spontaneous disintegration or decay of t...

South Carolina

(Encyclopedia)CE5 South Carolina, state of the SE United States. It is bordered by North Carolina (N), the Atlantic Ocean (SE), and, across the Savannah River, Georgia (SW). World War II and the postwar pe...

France

(Encyclopedia)CE5 France frăns, Fr. fräNs [key], officially French Republic, republic (2015 est. pop. 64,457,000), 211,207 sq mi (547,026 sq km), W Europe. France is bordered by the English Channel (N), the At...

Annelida

(Encyclopedia)CE5 A. The earthworm, Lumbricus terrestris, representative of the phylum Annelida. B. Internal anatomy of an earthworm. Annelida ənĕlˈĭdə [key] [Lat., anellus=a ring], phylum of soft-bodied, ...

New Zealand

(Encyclopedia)CE5 New Zealand zēˈlənd [key], island country (2015 est. pop. 4,615,000), 104,454 sq mi (270,534 sq km), in the S Pacific Ocean, over 1,000 mi (1,600 km) SE of Australia. The capital is Wellingt...

asteroid

(Encyclopedia)CE5 The asteroid belt lies between the orbits of Mars and Jupiter. Gaps where no asteroids are found are called Kirkwood gaps. The Trojan asteroids share Jupiter's orbit with the planet. asteroid,...

satellite, artificial

(Encyclopedia)CE5 A. Nimbus weather satellite B. Syncom communications satellite satellite, artificial, object constructed by humans and placed in orbit around the earth or other celestial body (see also space ...

Idaho

(Encyclopedia)CE5 Idaho īˈdəhō [key], one of the Rocky Mt. states in the NW United States. It is bordered by Montana and Wyoming (E), Utah and Nevada (S), Oregon and Washington (W), and the Canadian province...

Iraq

(Encyclopedia)CE5 Iraq or Irak both: ēräkˈ, ĭrăkˈ [key], officially Republic of Iraq, republic (2005 est. pop. 26,075,000), 167,924 sq mi (434,924 sq km), SW Asia. Iraq is bordered on the south by Kuwait, ...

United States

(Encyclopedia)CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...