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140-foot Telescope at night

Night Sky Over the 140-foot Telescopemore_horiz

Construction of the 140-foot telescope

Building the 140-foot Telescope at Green Bankmore_horiz

Drilling Bolt Holes on the 140 Foot Telescope

Drilling Bolt Holes on the 140 Foot Telescopemore_horiz

Second 85-foot telescope at Green Bank

The second 85-foot telescope of Green Bank Observatorymore_horiz

Second 85-foot telescope

Black and white image of the second 85-foot telescopemore_horiz

85-foot telescope

Hauling an 85-foot telescope around Green Bankmore_horiz

Third 85-foot telescope

The third 85-foot telescopemore_horiz

Underside of GBT

Underside of the GBTmore_horiz

Transporting parts of the 140-foot telescope to Green Bank

Transporting parts of the 140-foot telescope to Green Bankmore_horiz

The Westerbork Synthesis Radio Telescope

The Westerbork Synthesis Radio Telescope (WSRT)more_horiz

The 36-foot telescope on Kitt Peak, Arizona

The 36-foot telescope on Kitt Peak, Arizonamore_horiz

12-foot telescope and Frank Low, Tom Carpenter, Arnold Davidson, and Omar Bowyer

12-foot Telescope Gets a New Feedmore_horiz

12-foot telescope at Green Bank

Green Bank’s first 12- foot MM-wave telescopemore_horiz

12-meter telescope

Tuscon’s 12-meter Telescopemore_horiz

12-meter telescope

The 36-foot (12m) telescope under covermore_horiz

20-meter telescope

Clear Skies over the 20-metermore_horiz

20-meter telescope

The first radio telescope used for Educationmore_horiz

40-foot telescope

The 40-foot Telescope Gets a Control Buildingmore_horiz

Showing images 1 - 18 of 182

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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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