An Etymological Dictionary of Astronomy and Astrophysics

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Ritchey-Chretien telescope

تلسکوپ ِ ریچی-کرتین، دوربین ِ ~

teleskop-e Ritchey-Chrétien, durbin-e ~

Fr.: télescope Ritchey-Chrétien

A type of → Cassegrain telescope in which the → primary mirror is a → hyperboloid. It is designed to eliminate → coma and → spherical aberration, thus providing a relatively large field of view as compared to a more conventional configuration.

Named after the American astronomer George Ritchey (1864-1945) and the French optician Henri Chrétien (1879-1956); → telescope.

An Etymological Dictionary of Astronomy and Astrophysics
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