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Eastlake

(Encyclopedia)Eastlake, city (2020 pop. 17,918), Lake co., NE Ohio, a suburb of Cleveland, on the Chagrin River and Lake Erie; inc. 1949. It has diversified light man...

aerial and satellite photography

(Encyclopedia)aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft. In the 19th cent....

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,...

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...

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...

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...

Langley Park

(Encyclopedia)Langley Park, uninc. town (1990 pop. 17,474), Prince Georges co., W central Md., a suburb of Washington, D.C. The town has grown with the development of the greater Washington, D.C. metropolitan area ...

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...

Prestwick

(Encyclopedia)Prestwick, town (1991 pop. 13,355), South Ayrshire, SW Scotland, on the Firth of Clyde. Prestwick is a seaside and golfing resort with an international airport. Light aircraft are manufactured in Pres...

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, ...