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Ancient Observatories, Timeless Knowledge

Sun-Earth Day Presents: Ancient Observatories, Timeless Knowledge

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Kitt Peak

Kitt Peak

The McMath-Pierce Solar Telescope at the Kitt Peak National Solar Observatory was dedicated in 1962. With its 80-inch (1.6 meter) heliostat mirror the McMP is the largest aperture solar telescope in existence.Learn More»

Photo: National Solar Observatory / Kitt Peak

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