English
Detailed Synonyms for Gregorian telescope in English
Gregorian telescope:
Gregorian telescope [the ~] noun
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the Gregorian telescope
– a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror 1the Cassegrainian telescope; the Gregorian telescope– a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror 1