VLA Antenna Dwarfs ALMA Antennas

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VLA Antenna Dwarfs ALMA Antennas

Each antenna of the Very Large Array is 25 meters across. The prototype 12-meter antennas of the Atacama Large Millimeter/submillimeter Array lived at the VLA for testing, giving this rare side-by-side look at their difference in size.

Credit: NRAO/AUI/NSF

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Atacama Large Millimeter/submillimeter Array
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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.
	The U.S. National Science Foundation (NSF) is an independent federal agency created by Congress in 1950 "to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense..."
	AUI collaborates with the scientific community and research sponsors to plan, build, and operate cutting-edge facilities. We cultivate excellence, deliver value, enhance education, and engage the public.