Largest ever Cerenkov telescope sees first light
This telescope is dedicated to observing the most violent and extreme phenomena of the universe in high-energy gamma rays.
On July 26, 2012, the High Energy Stereoscopic System (H.E.S.S.) II telescope started operation in Namibia. Dedicated to observing the most violent and extreme phenomena of the universe in high-energy gamma rays, H.E.S.S. II is the largest Cerenkov telescope ever built — the new portion has a 92-foot-diameter (28 meters) mirror. Together with the four smaller (12 meter) telescopes already in operation since 2004, the H.E.S.S. observatory will continue to define the forefront of ground-based gamma-ray astronomy and will allow deeper understanding of known high-energy cosmic sources such as supermassive black holes, pulsars and supernovae, and the search for new classes of high-energy objects.
Glenn A. Walsh, Project Director,
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