Defenition of the word cassegrainian telescope
Defenition of the word cassegrainian 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
Synonyms for the word cassegrainian telescope
Cassegrainian telescope
Gregorian telescope
Hypernyms for the word cassegrainian telescope
reflecting telescope
reflector
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earl of warwick
English statesman; during the War of the Roses he fought first for the house of York and secured the throne for Edward IV and then changed sides to fight for the house of Lancaster and secured the throne for Henry VI (1428-1471)
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