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Field Museum of Natural History

(Encyclopedia)Field Museum of Natural History, in Chicago, Ill. Founded in 1893 through the gifts of Marshall Field and others, it was first known as the Columbian Museum of Chicago and in 1905 was renamed in honor...

Natural History, American Museum of

(Encyclopedia)Natural History, American Museum of: see American Museum of Natural History. ...

Mimas

(Encyclopedia)Mimas mīˈmăs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn I (or S1), Mimas is 244 mi (392 km) in diameter, orbits Saturn at a mean distance of...

Atlas, in astronomy

(Encyclopedia)Atlas, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XV (or S15), Atlas is a small, irregularly shaped (nonspherical) body measuring about 25 mi (40 km) ...

Pan, in astronomy

(Encyclopedia)Pan, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XVIII (or S18), Pan is 12.5 mi (20 km) in diameter, orbits Saturn at a mean distance of 83,000 mi (133...

digital radio

(Encyclopedia)digital radio, audio broadcasting in which an analog audio signal is converted into a digital signal before being transmitted; also known as digital audio broadcasting (DAB) and high-definition radio....

Intelsat

(Encyclopedia)Intelsat: see Communications Satellite Corporation; communications satellite. ...

Inmarsat

(Encyclopedia)Inmarsat: see Communications Satellite Corporation; communications satellite. ...

Comsat

(Encyclopedia)Comsat: see Communications Satellite Corporation; communications satellite. ...

Pandora, in astronomy

(Encyclopedia)Pandora păndôrˈə [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XVII (or S17), Pandora is an irregularly shaped (nonspherical) body measuring a...