Reference Entry

Gregorian telescope

Ian Ridpath

in A Dictionary of Astronomy

Second edition

Published in print January 2012 | ISBN: 9780199609055
Published online January 2012 | e-ISBN: 9780191739439
Gregorian telescope

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A reflecting telescope with a concave paraboloidal primary mirror and a concave ellipsoidal secondary mirror. The secondary mirror reflects light

Reference Entry.  80 words. 

Subjects: Astronomy and Astrophysics

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