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Budapest

(Encyclopedia)Budapest bo͞oˈdəpĕstˌ [key], city (2020 est. pop. 1,768,000), capital of Hungary, N central ...

Brook, Peter

(Encyclopedia)Brook, Peter, 1925–, English theatrical director, b. London, grad. Oxford (1943). An innovative, unconventional, and controversial figure, Brook mounts energetic productions in which the entire stag...

photometry

(Encyclopedia)photometry fōtŏmˈətrē [key], branch of physics dealing with the measurement of the intensity of a source of light, such as an electric lamp, and with the intensity of light such a source may cast...

earth, in geology and astronomy

(Encyclopedia)CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...

space science

(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...

Houston

(Encyclopedia)Houston, city (2020 pop. 2,304,580), seat of Harris co., SE Tex., a deepwater port on the Houston Ship Channel; inc. 1837. Harrisburg (now part of Hou...

Herschel

(Encyclopedia)Herschel hûrˈshəl [key], family of distinguished English astronomers. Sir William Herschel,Sir William Herschel, 1738–1822, born Friedrich Wilhelm Herschel, was a great pioneer in astronomy. Bor...

microscope

(Encyclopedia)CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...

Riga

(Encyclopedia)Riga rēˈgə [key], city (2011 provisional pop. 657,424), capital of Latvia, on the Daugava (Western Dvina) River near its entry into the Gulf of Riga. A major Baltic port, it is also a rail junction...

music

(Encyclopedia)music. For information on types of music see such articles as absolute music; aleatory music; chamber music; church music; computer music; electronic music; jazz; program music; rock music; serial mus...