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earth, in geology and astronomy

(Encyclopedia)CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...

National Radio Astronomy Observatory

(Encyclopedia)National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated Universities, Inc.,...

atlas, in geography

(Encyclopedia)atlas, in geography, collection of maps or charts. It usually includes data on various features of a country, e.g., its topography, natural resources, climate, and population, as well as its agricultu...

Hexapla

(Encyclopedia)Hexapla hĕkˈsəplə [key] [Gr.,=sixfold], polyglot edition of the Hebrew Bible prepared by Origen (c.185–c.255). It was mainly in six columns—a Hebrew text (probably the Masoretic), a Greek tran...

Abruzzi

(Encyclopedia)Abruzzi äbro͞otˈtsē [key], region, 4,167 sq mi (10,793 sq km), central Italy, bordering on the Adriatic Sea in the east. L'Aquila is the capital of the region, which i...

Prisca

(Encyclopedia)Prisca prĭsˈkə [key], in the New Testament, wife of Aquila. ...

Priscilla

(Encyclopedia)Priscilla prĭsĭlˈə [key] [diminutive of Lat. Prisca=ancient], in the New Testament, wife of Aquila. ...

In

(Encyclopedia)In, symbol for the element indium. ...

Cygnus

(Encyclopedia)Cygnus sĭgˈnəs [key] [Lat.,=the swan], northern constellation located SE of Draco and NW of Pegasus. It was depicted as a bird by most ancient cultures. It is sometimes called the Northern Cross be...

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