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Radio and radar astronomyradar astronomy
Introduction References & Edit History Related Topics
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Diagram showing a radio telescope system with a large parabolic dish collecting incoming radio waves, directing them to a feed horn and subreflector, with signals sent by cables to a receiver, amplifier, and computer for processing and recording. VLA (Very Large Array) image of an interacting twin-jet radio galaxy. The two black dots (at the bottom centre) are each associated with one of the twin nuclei of a distant galaxy. The jets appear to interact and wrap around one another. Very Large Array (VLA), National Radio Astronomy Observatory, Socorro, N.M. The VLA is a group of 27 bowl-shaped radio antennas. Each antenna is 25 metres (82 feet) across. When used together, they make one very powerful radio telescope. Lovell Telescope Crab Nebula
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radio and radar astronomy summary
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The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
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Radio and radar astronomyradar astronomy: References & Edit History

Article Contributors

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Article History

Type Description Contributor Date
Article title updated for style. Nov 09, 2026
Removed table. Aug 17, 2018
Add new Web site: Fact Monster - Science - Radio Astronomy. Sep 07, 2010
Added diagram of radio telescope system. Aug 26, 2010
Age of universe updated from 14 to 13.8 billion years. Jul 14, 2010
Article revised and updated. Jan 07, 2008
Added new Web site: Official Site of the National Radio Astronomy Observatory. Jun 20, 2006
Article added to new online database. Jul 20, 1998
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