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Radio Telescopes


Artist's conception of ALMA

ALMA Prototype Antenna Contracts Awarded

Posted on March 14, 2000November 27, 2019

The US and European partners in the Atacama Large Millimeter Array project have awarded contracts to US and Italian firms, respectively, for two prototype antennas.

Radio Telescopes
The 12-meter telescope

Closure of the 12-meter Telescope

Posted on February 22, 2000March 28, 2017

The National Radio Astronomy Observatory will close down its millimeter-wavelength telescope on Kitt Peak, Arizona, in July 2000, Director Paul Vanden Bout announced today.

Radio Telescopes
Artist's conception of ALMA

Science with ALMA Meeting

Posted on September 29, 1999November 27, 2019

Two hundred astronomers from around the world will meet in Washington, DC on October 7 and 8 to discuss exciting new science to be done with the Atacama Large Millimeter Array (ALMA).

People and EventsRadio Telescopes
Miller Goss

Radio Telescopes Joined by Longest Fiber-optic Link on Record

Posted on December 15, 1998March 28, 2017

Scientists and engineers at the National Radio Astronomy Observatory (NRAO) have made a giant leap toward the future of radio astronomy by successfully utilizing the Very Large Array (VLA) radio telescope in conjunction with an antenna of the continent-wide Very Long Baseline Array (VLBA) using the longest fiber-optic data link ever demonstrated in radio astronomy.

Radio Telescopes
Active galaxy PKS 1519-273

First Images with Space Radio Telescope

Posted on July 2, 1997April 4, 2017

Marking an important new milestone in radio astronomy history, scientists at the National Radio Astronomy Observatory in Socorro, New Mexico, have made the first images using a radio telescope antenna in space.

Radio Telescopes
VLBA station

Launch Will Create Radio Telescope Larger than Earth

Posted on February 3, 1997December 11, 2019

The launch of a Japanese satellite will help create the largest astronomical instrument ever built — a radio telescope more than two-and-a-half times the diameter of the Earth.

People and EventsRadio 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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