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Edward VIII

(Encyclopedia)Edward VIII, 1894–1972, king of Great Britain and Ireland (1936), known in later years as the duke of Windsor; eldest son of George V. He attended the naval colleges at Osborne and Dartmouth and Mag...

Surratt, Mary Eugenia

(Encyclopedia)Surratt, Mary Eugenia sərătˈ [key], 1820–65, alleged conspirator in the assassination of Abraham Lincoln, hanged on July 7, 1865. A widow (her maiden name was Jenkins) who had moved from Surratts...

Scouts

(Encyclopedia)Scouts or Boy Scouts, organization of boys and girls 11 to 17 years old, founded (1907) in Great Britain by Sir Robert (later Lord) Baden-Powell and originally for boys only; since the late 20th cent....

Doppler effect

(Encyclopedia)Doppler effect, change in the wavelength (or frequency) of energy in the form of waves, e.g., sound or light, as a result of motion of either the source or the receiver of the waves; the effect is nam...

National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

Bhagavad-Gita

(Encyclopedia)Bhagavad-Gita bŭgˈəvəd-gēˈtə [key] [Skt.,=song of the Lord], Sanskrit poem incorporated into the Mahabharata, one of the greatest religious classics of Hinduism. The Gita (as it is often called...

Hill, A. P.

(Encyclopedia)Hill, A. P. (Ambrose Powell Hill), 1825–65, Confederate general in the American Civil War, b. Culpeper, Va. He served briefly in the Mexican War and had a varied army career until he resigned in Mar...

Neptune, in astronomy

(Encyclopedia)Neptune, in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolut...

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...

astronaut

(Encyclopedia)astronaut, crew member on a U.S. manned spaceflight mission; the Soviet term is cosmonaut. Candidates for manned spaceflight are carefully screened to meet the highest physical and mental standards, a...