40-foot radio telescope
The 40-foot radio telescope at Green Bank Observatory in the U.S. state of West Virginia was constructed in 1961, and started observing a selection of variable radio sources in the same year, completing its observations in 1968. It became the first automated telescope in 1962. It was subsequently used during summer schools, and in 1987 it was repurposed as an educational telescope, as well as continuing to observe radio sources. In 2021 the telescope celebrated its sixtieth anniversary, having been in continuous use since its 1987 restoration, and used by more than 1,500 students.
| Part of | Green Bank Observatory |
|---|---|
| Location(s) | Green Bank, Pocahontas County, West Virginia |
| Coordinates | 38°26′14″N 79°49′53″W |
| Altitude | 2,684 feet (818 m) |
| First light | 14 December 1961 |
| Telescope style | radio telescope |
| Diameter | 40 ft (12 m) |
Location of 40-foot radio telescope | |
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