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Ferrante, Elena

(Encyclopedia)Ferrante, Elena, pseud. of the contemporary writer often considered the finest Italian novelist of her generation; the details of her personal life are a closely guarded secret. Her novels, the first ...

Struve

(Encyclopedia)Struve shtro͞oˈvə [key], family of astronomers. Friedrich Georg Wilhelm von Struve, 1793–1864, was born in Germany but later lived in Russia. While director (1817–39) of Dorpat Observatory he w...

planetary science

(Encyclopedia)planetary science or planetology, study of planets and planetary systems as a whole. Planetary science applies the theories and methods of traditional disciplines such as astronomy, geology, physics, ...

Hutton, James

(Encyclopedia)Hutton, James, 1726–97, Scottish geologist, chemist, and naturalist. He was initially attracted to chemistry; he entered the legal profession at the Univ. of Edinburgh; turned to medicine, as it clo...

Dunham, Katherine

(Encyclopedia)Dunham, Katherine dŭnˈəm [key], 1909?–2006, American dancer, choreographer, and anthropologist, b. Chicago. She studied anthropology at the Univ. of Chicago, where she received a B.A. and Ph.D. a...

National Radio Astronomy Observatory

(Encyclopedia)National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated Universities, Inc.,...

monotreme

(Encyclopedia)monotreme mŏnˈətrēmˌ [key], name for members of the primitive mammalian order Monotremata, found in Australia, Tasmania, and New Guinea. The only members of this order are the platypus, or duckbi...

neutron star

(Encyclopedia)neutron star, extremely small, extremely dense star, with as much as double the sun's mass but only a few miles in radius, in the final stage of stellar evolution. Astronomers Baade and Zwicky predict...

Lyell, Sir Charles

(Encyclopedia)Lyell, Sir Charles līˈəl [key], 1797–1875, British geologist. After studying and briefly practicing law, he spent most of his life in travel and in popularizing scientific ideas. He championed an...

Dewey, John

(Encyclopedia)Dewey, John, 1859–1952, American philosopher and educator, b. Burlington, Vt., grad. Univ. of Vermont, 1879, Ph.D. Johns Hopkins, 1884. He taught at the universities of Minnesota (1888–89), Michig...