500 results found
Venus(Encyclopedia)Venus, in astronomy, 2d planet from the sun; it is often called the evening star or morning star and is brighter than any object in the sky except the sun and the moon. Because its orbit lies between ...
Venus(Encyclopedia)Venus, in Roman religion and mythology, goddess of vegetation. Later, she became identified (3d cent. BC) with the Greek Aphrodite. In imperial times she was worshiped as Venus Genetrix, mother of Aen...
astronomy(Encyclopedia)astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the universe at large. An...
Venus's-flytrap(Encyclopedia)Venus's-flytrap, insectivorous or carnivorous bog plant (Dionaea muscipula) native to the Carolina savannas and now widely cultivated as a novelty. The leaves, borne in a low rosette, resemble bear tr...
Venus's girdle(Encyclopedia)Venus's girdle: see Ctenophora.
In(Encyclopedia)In, symbol for the element indium.
radar astronomy(Encyclopedia)radar astronomy, application of radar to the determination of distances and planetary features within the solar system, such as rotation rates. A short burst of radio waves is transmitted in the direc...
radio astronomy(Encyclopedia)radio astronomy, study of celestial bodies by means of the electromagnetic radio frequency waves they emit and absorb naturally. Radio Telescopes Radio waves emanating from celestial bodies are receiv...
ultraviolet astronomy(Encyclopedia)ultraviolet astronomy, study of celestial objects by means of the ultraviolet radiation they emit, in the wavelength range from about 90 to about 350 nanometers. Ultraviolet (UV) line spectrum measure...
neutrino astronomy(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...
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