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Arecibo Observatory

Arecibo Observatory Radio and radar telescope near Arecibo in Puerto Rico. With a diameter of 305m (1,000ft), it is the largest single-bowl type of instrument in operation. It is built into a natural hollow in the limestone terrain and cannot be steered. However, an ingenious feed system enables the beam to be swung as far as 20° from the zenith. It was opened in 1963 and is operated by Cornell University in the United States.

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Arecibo

Arecibo (ärəsē´bō), city (1990 pop. 93,385), N Puerto Rico, a port on the Atlantic Ocean at the mouth of the Rio Grande de Arecibo. It has rum distilleries and is the commercial and industrial center of a region that produces coffee, tobacco, sugarcane, and pineapples. The Arecibo Observatory, an important radio-astronomy facility, is nearby. Arecibo was founded in 1616.

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"Arecibo." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"Arecibo." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/arecibo

"Arecibo." The Columbia Encyclopedia, 6th ed.. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/arecibo