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SETI

(Encyclopedia)SETI sĕtˈē [key] [Search for ExtraTerrestrial Intelligence], name given to a series of independent programs to detect radio signals from civilizations beyond the solar system. Modern SETI efforts c...

Manchester, city, England

(Encyclopedia)Manchester mănˈchəstər, –chĕsˌtər [key], city and metropolitan borough (1991 pop. 397,400), NW England, a port on the Irwell, Medlock, Irk, and Tib rivers. Manchester remains the center of th...

Hubble's law

(Encyclopedia)Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding. Hubble's law ...

Samarkand

(Encyclopedia)Samarkand sămərkăndˈ, Rus. səmərkäntˈ [key], city (1991 pop. 395,000), capital of Samarkand region, in Uzbekistan, on the Trans-Caspian RR. It is one of the oldest existing cities in the world...

neutrino

(Encyclopedia)neutrino no͞otrēˈnō [key] [Ital.,=little neutral (particle)], elementary particle with no electric charge and a very small mass emitted during the decay of certain other particles. The neutrino wa...

Copenhagen

(Encyclopedia)Copenhagen köˌbənhounˈ [key], city (2021 pop. 799,033), capital of Denmark and of Copenhagen co., ...

Columbia University

(Encyclopedia)Columbia University, mainly in New York City; founded 1754 as King's College by grant of King George II; first college in New York City, fifth oldest in the United States; one of the eight Ivy League ...

Washington, D.C.

(Encyclopedia)Washington, D.C., capital of the United States, coextensive (since 1878, when Georgetown became a part of Washington) with the District of ...

astronomy

(Encyclopedia)astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the universe at large. ...

Nuremberg

(Encyclopedia)Nuremberg nürnˈbĕrkˌ [key], city (1994 pop. 498,945), Bavaria, S Germany, on the Pegnitz River and the Rhine-Main-Danube Canal. One of the great historic cities of Germany, Nuremberg is now an imp...