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Hyattsville
(Encyclopedia)Hyattsville, city (2020 pop. 21,187), Prince Georges co., W central Md., a suburb of Washington, D.C.; inc. 1886. Hyattsville is a residential community...Dracut
(Encyclopedia)Dracut drāˈkət [key], town (2020 pop. 32,617), Middlesex co., NE Mass., near the N.H. line...East Haven
(Encyclopedia)East Haven, town (2020 pop. 27,923, New Haven co., S Conn., on Long Island Sound, a residential suburb of New Haven, in a farm area; inc. 1785. Light in...Harrogate
(Encyclopedia)Harrogate hărˈōgĭt, –gāt [key], city, North Yorkshire, N central England. It is residential with a ...Strongsville
(Encyclopedia)Strongsville, city (1990 pop. 35,308), Cuyahoga co., NE Ohio, a residential suburb of Cleveland; settled 1816, inc. 1927. There is text-book publishing and light manufacturing. The city grew significa...Southport
(Encyclopedia)Southport, city (1991 pop. 88,596), Sefton metropolitan district, NW England, in the Greater Liverpool metropolitan area. A seaside resort with light industries, it is home to the Atkinson Art Gallery...Whitehead, William
(Encyclopedia)Whitehead, William, 1715–85, English poet and playwright. He wrote several plays based on ancient Greek models, including Creusa, Queen of Athens (1754). Whitehead was appointed poet laureate in 175...ultraviolet radiation
(Encyclopedia)ultraviolet radiation, invisible electromagnetic radiation between visible violet light and X rays; it ranges in wavelength from about 400 to 4 nanometers and in frequency from about 1015 to 1017 hert...infrared radiation
(Encyclopedia)infrared radiation, electromagnetic radiation having a wavelength in the range from c.75 × 10−6 cm to c.100,000 × 10−6 cm (0.000075–0.1 cm). Infrared rays thus occupy that part of the electrom...telescope
(Encyclopedia)CE5 Mirror arrangements for a reflecting telescope telescope, traditionally, a system of lenses, mirrors, or both, used to gather light from a distant object and form an image of it. Traditional o...Browse by Subject
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