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Galileo

(Encyclopedia)Galileo (Galileo Galilei) gălˌĭlēˈō; gälēlĕˈō gälēlĕˈē [key], 1564–1642, great Italian astronomer, mathematician, and physicist. By his persistent investigation of natural laws he la...

International System of Units

(Encyclopedia)International System of Units, officially called the Système International d'Unités, or SI, system of units adopted by the 11th General Conference on Weights and Measures (1960). It is based on the ...

Maryland, University System of

(Encyclopedia)Maryland, University System of, state-supported system of higher education in Maryland, est. 1988 as the University of Maryland System, renamed 1997. It includes all but two of the publicly supported ...

California State University System

(Encyclopedia)California State University System, coordinating agency established in 1960 by the merger of individual California state colleges, now consisting of 23 campuses. It constitutes one of the three Califo...

New York State Canal System

(Encyclopedia)New York State Canal System, waterway system, 524 mi (843 km) long, traversing New York state and connecting the Great Lakes with the Finger Lakes, the Hudson River, and Lake Champlain. The waterway, ...

Sierra Madre, mountain system, Mexico

(Encyclopedia)Sierra Madre dĕl so͝orˈ [key] is a tumbled, broken mass of uptilted mountains that touch the Pacific coast but form into no clearly defined range. It spreads over S Mexico between the volcanic belt...

Clavius, Cristoph

(Encyclopedia)Clavius, Cristoph krĭsˈtôf klāˈvēəs [key], 1537–1612, German astronomer and mathematician. He entered the Jesuit order in 1555 and studied at Coimbra and Rome. He taught mathematics at the Co...

court system in the United States

(Encyclopedia)court system in the United States, judicial branches of the federal and state governments charged with the application and interpretation of the law. The U.S. court system is divided into two administ...

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