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Radio Telescopes


History Of Radio Astronomy Book

Posted on July 23, 2007March 28, 2017

A new book published by the National Radio Astronomy Observatory tells the story of the founding and early years of the Observatory at Green Bank, West Virginia. But it was Fun: the first forty years of radio astronomy at Green Bank, is not a formal history, but rather a scrapbook of early memos, recollections, anecdotes and reports.

People and EventsRadio Telescopes

NRAO Teams With NASA Gamma-Ray Satellite

Posted on June 5, 2007March 28, 2017

The National Radio Astronomy Observatory is teaming with NASA’s upcoming Gamma-ray Large Area Space Telescope to allow astronomers to use both the orbiting facility and ground-based radio telescopes to maximize their scientific payoff.

People and EventsRadio Telescopes
ALMA Test Facility, New Mexico: VertexRSI antenna, left; AEC antenna, right.

ALMA Achieves Major Milestone With Antenna-Link Success

Posted on March 7, 2007March 28, 2017

The Atacama Large Millimeter/submillimeter Array, an international telescope project, reached a major milestone on March 2, when two ALMA prototype antennas were first linked together as an integrated system to observe an astronomical object.

Radio Telescopes
VLBA station

VLBA’s First Decade

Posted on June 11, 2003April 4, 2017

Scientists from around the globe are gathered in Socorro, New Mexico, to mark the tenth anniversary of the National Science Foundation’s Very Long Baseline Array (VLBA) , a continent-wide radio telescope that produces the most detailed images of any instrument available to the world’s astronomers.

People and EventsRadio Telescopes
Artist's Conception of ALMA Array in Compact Configuration.

U.S. and European ALMA Partners Sign Agreement

Posted on February 25, 2003December 16, 2019

Dr Rita Colwell, director of the U.S. National Science Foundation, and Dr Catherine Cesarsky, director general of the European Southern Observatory, today signed a historic agreement jointly to construct and operate ALMA, the Atacama Large Millimeter Array, the world’s largest and most powerful radio telescope operating at millimeter and sub-millimeter wavelengths.

People and EventsRadio Telescopes
The Green Bank Interferometer

Binary Stars ‘Flare’ With Predictable Cycles

Posted on June 3, 2002April 4, 2017

Astronomers have completed a 5-year campaign to monitor continuously radio flares from two groups of binary star systems. This survey is of special interest because it provides evidence that certain binary star systems have predictable activity cycles like our Sun.

Chemistry and CosmologyRadio Telescopes

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The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.
Founded in 1956, the NRAO provides state-of-the-art radio telescope facilities for use by the international scientific community. NRAO telescopes are open to all astronomers regardless of institutional or national affiliation. Observing time on NRAO telescopes is available on a competitive basis to qualified scientists after evaluation of research proposals on the basis of scientific merit, the capability of the instruments to do the work, and the availability of the telescope during the requested time. NRAO also provides both formal and informal programs in education and public outreach for teachers, students, the general public, and the media.
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