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Colton

(Encyclopedia)Colton, city (2020 pop. 53,909), San Bernardino co., S Calif., a suburb of San Bernardino, inc. 1887. Originally a rich citrus and farm area, Colton exp...

North American Nebula

(Encyclopedia)North American Nebula, bright diffuse nebula in the northern constellation Cygnus about 1000 light-years away; cataloged as NGC 7000. It has a configuration resembling parts of Canada and the United S...

Haleakala Observatories

(Encyclopedia)Haleakala Observatories häˌlāäˌkäläˈ [key], astronomical facilities located on the summit of Haleakala volcano, 10,023 ft (3,055 m), in Haleakala National Park, Maui island, Hawaii. Because of...

granite

(Encyclopedia)granite, coarse-grained igneous rock of even texture and light color, composed chiefly of quartz and feldspars. It usually contains small quantities of mica or hornblende, and minor accessory minerals...

coherence

(Encyclopedia)coherence, constant phase difference in two or more Waves over time. Two waves are said to be in phase if their crests and troughs meet at the same place at the same time, and the waves are out of pha...

Pleiades, in astronomy

(Encyclopedia)Pleiades plēˈədēz, plīˈ– [key], in astronomy, famous open star cluster in the constellation Taurus; cataloged as M45. The cluster consists of some 500 stars, has a diameter of 35 light-years, ...

South Portland

(Encyclopedia)South Portland, port city (1990 pop. 23,163), Cumberland co., SW Maine, on the Fore River and Casco Bay, part of the Portland metropolitan area; separated from Falmouth (now Portland) as part of the t...

Bayonne, city, United States

(Encyclopedia)Bayonne bāyōnˈ [key], city (2020 pop. 71,686), Hudson co., NE N.J., on a 3-mi (4.8-km) pen...

Burghers

(Encyclopedia)Burghers bûrˈgərz [key], in the 18th cent., a party of the Secession Church of Scotland, resulting from one of the “breaches” in the history of Presbyterianism. To qualify as a burgess in certa...

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,...