Chandra X-ray Observatory

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Great Observatories

grazing-incidence telescope

Subrahmanyan Chandrasekhar (1910—1995) applied mathematician and astrophysicist


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A NASA X-ray astronomy satellite, one of the four Great Observatories, launched in 1999 July. It uses a mirror grazing-incidence telescope with a collecting area equivalent to that of a conventional 0.4-m optical telescope to observe X-rays of 0.1–10 keV (0.12–12 nm). Chandra provides sharper images (0″.5) and more detailed X-ray spectra than any previous X-ray mission. It is named after S. Chandrasekhar.

http://chandra.harvard.edu/ Official mission website.

Subjects: Astronomy and Astrophysics.

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