Arecibo Observatory - radio telescope

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The observatory's 1,000 ft radio telescope is the world's largest single-aperture telescope. It is used in three major areas of research: radio astronomy, aeronomy, and radar astronomy. Scientists who want to use the telescope submit proposals that are evaluated by an independent scientific board.The telescope has made appearances in motion picture and television productions and got more recognition in 1999 when it began to collect data for the SETI@home project. It has been listed on the American National Register of Historic Places beginning in 2008.It was the featured listing in the National Park Service's weekly list of October 3, 2008. The center was named an IEEE Milestone in 2001.
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