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Oort, Jan Hendrik

(Encyclopedia)Oort, Jan Hendrik ōrt [key], 1900–1992, Dutch astronomer. He confirmed (1927) Bertil Lindblad's theory of the Milky Way galaxy's rotation. In the 1950s he and his colleagues used radio astronomical...

Mount Wilson Observatory

(Encyclopedia)Mount Wilson Observatory, astronomical observatory located in California on Mt. Wilson, near Pasadena. Mt. Wilson Observatory was founded in 1904 by George E. Hale. Its equipment includes 100-in. (2.5...

Bode's law

(Encyclopedia)Bode's law [for J. E. Bode], also known as Titius's law or the Titius-Bode law, empirical relationship between the mean distances of the planets from the sun. If each number in the series 0, 3, 6, 12,...

Hopper, Dennis Lee

(Encyclopedia) Hopper, Dennis Lee, 1936-2010, American filmmaker and actor, b. Dodge City, Ks. Hopper’s family relocated several times during his childhood, settli...

Ditko, Steve

(Encyclopedia)Ditko, Steve (Stephen John Ditko), 1927–2018, American comic-book artist, b. Johnstown, Pa., studied early 1950s Cartoonist and Illustrator School (later School of Visual Arts), New York City. Much ...

astrophysics

(Encyclopedia)astrophysics, application of the theories and methods of physics to the study of stellar structure, stellar evolution, the origin of the solar system, and related problems of cosmology. The distinctio...

Hulse, Russell Alan

(Encyclopedia)Hulse, Russell Alan, 1950–, American astrophysicist, b., New York City, Ph.D. Univ. of Massachusetts, Amherst, 1975. Hulse was a researcher at the Princeton's plasma physics laboratory from 1977 unt...

Horus

(Encyclopedia)Horus hôrˈəs [key], in Egyptian religion, sky god, god of light and goodness. One of the most important of the Egyptian deities, Horus was the son of Osiris and Isis. In a famous myth he avenged th...

Edison

(Encyclopedia)Edison, township (2020 pop. 107,588), Middlesex co., NE N.J., inc. 1870 as Raritan Township, renamed 1954. Edison's varied manufactures include chemical...

syzygy

(Encyclopedia)syzygy sĭzˈəjē [key], in astronomy, alignment of three bodies of the solar system along a straight or nearly straight line. A planet is in syzygy with the earth and sun when it is in opposition or...