VDict - Definition of gregorian telescope

English - English (Wordnet) dictionary

gregorian telescope

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Noun

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

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Synonyms:
Cassegrainian telescope Gregorian telescope

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Words contain "gregorian telescope" in its definition in English - English (Wordnet) dictionary:
galileo galilei galileo reflecting telescope reflector collimator telescope church mode gregorian mode ecclesiastical mode medieval mode more...

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