"The Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope. The Green Bank site was part of the National Radio Astronomy Observatory (NRAO) until September 30, 2016. Since October 1, 2016, the telescope has been operated by the independent Green Bank Observatory."
-Green Bank Telescope
-Cass Scenic Railroad State Park
-Cass Scenic Railroad, Bald Knob Summit
-Cass, WV
-May 2, 2026
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