The 45-foot on an Autumn day

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The 45-foot on an Autumn day

After 15 years working as the fourth remote member of the Green Bank Interferometer (GBI), the 45-foot claimed a permanent home at the Observatory. In this photo, the 45-foot was engaged in solar observations, watching the Sun all day to provide up-to-the-minute information about sudden changes in its output.

Credit: NRAO/AUI/NSF

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The 45-foot on an Autumn day

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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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