Gregorian telescope 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
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
Synonyms
- Cassegrainian telescope 1
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
