National Radio Astronomy Observatory

NATIONAL RADIO ASTRONOMY OBSERVATORY National Radio Astronomy Observatory Green Bank, West Virginia Five radio telescopes dominate the landscape in the Deer Creek Valley. Looking in a northeasterly direction one sees, from left to right, the 140-foot, the 300-foot, and the three 85- foot telescopes of the interferometer. 41135259 National Radio Astronomy Observatory Photo Copyright 1987 by NRAO/AUI