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Cepheid variables
(Encyclopedia)Cepheid variables sēˈfēĭd [key], class of variable stars that brighten and dim in an extremely regular fashion. The periods of the fluctuations (the time to complete one cycle from bright to dim a...Samoa, island chain, SW Pacific Ocean
(Encyclopedia)Samoa, chain of volcanic islands in the South Pacific, comprising the independent nation of Samoa (formerly Western Samoa), and E of long. 171° W, the islands of American Samoa, under U.S. control. T...Saint Paul
(Encyclopedia)Saint Paul, city (1990 pop. 272,235), state capital and seat of Ramsey co., E Minn., on bluffs along the Mississippi River, contiguous with Minneapolis, forming the Twin Cities metropolitan area; inc....amusement park
(Encyclopedia)amusement park, a commercially operated park offering various forms of entertainment, such as arcade games, carousels, roller coasters, and performers, as well as food, drink, and souvenirs. Amusement...menstruation
(Encyclopedia)menstruation, periodic flow of blood and cells from the lining of the uterus in humans and most other primates, occurring about every 28 days in women. Menstruation commences at puberty (usually betwe...Japanese music
(Encyclopedia)Japanese music, the highly eclectic musical culture of the Japanese islands. Over the years, Japan has borrowed musical instruments, scales, and styles from many neighboring areas. The indigenous musi...mitosis
(Encyclopedia)CE5 Mitosis in a body cell of an animal mitosis mītōˈsĭs, mĭ– [key], process of nuclear division in a living cell by which the carriers of hereditary information, or the chromosomes, are ex...Wright, Frank Lloyd
(Encyclopedia)Wright, Frank Lloyd, 1867–1959, American architect, b. Richland Center, Wis., as Frank Lincoln Wright; he changed his name to honor his mother's family (the Lloyd Joneses). Wright is widely consider...Cleveland, cities, United States
(Encyclopedia)Cleveland. 1 City (2020 pop. 372,674), seat of Cuyahoga co., NE Ohio, on Lake Erie at the mouth of the Cuyahoga River; laid out (1796) by Moses ...Hawaii, state, United States
(Encyclopedia)CE5 Hawaii həwīˈē, häväˈē [key], 50th state of the United States, comprising a group of eight major islands and numerous islets in the central Pacific Ocean, c.2,100 mi (3,380 km) SW of San...Browse by Subject
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