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bn:00066809n
Noun Concept
SYL
No term available
EN
Optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece WordNet 3.0
Relations
Sources
IS A
EN
optical telescope
EN
equipment
HAS PART
EN
mirror
EN
primary mirror
EN
secondary mirror
EN
parabolic mirror
PART OF
EN
photography
EN
Schmidt telescope
HAS KIND
EN
Cassegrainian telescope
EN
coude telescope
EN
Herschelian telescope
EN
Maksutov telescope
EN
Newtonian telescope
+9 relations
HAS INSTANCE
EN
Crossley telescope
EN
Dutch Open Telescope
EN
W. M. Keck Observatory
EN
40-foot telescope
EN
Leonhard Euler Telescope
+17 relations
CREATOR
EN
Newton
DESCRIBED BY SOURCE
EN
Armenian Soviet Encyclopedia
DISCOVERER OR INVENTOR
James Gregory

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