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bn:01306171n
Noun Concept
EL
τηλεσκόπιο Ritchey–Chrétien  ritchey-chrétien τηλεσκόπιο
EN
A Ritchey–Chrétien telescope is a specialized variant of the Cassegrain telescope that has a hyperbolic primary mirror and a hyperbolic secondary mirror designed to eliminate off-axis optical errors. Wikipedia
Relations
Sources
IS A
Γρηγοριανό τηλεσκόπιο
PART OF
EN
Lulin Observatory
HAS INSTANCE
EN
Faulkes Telescope North
EN
ESA Optical Ground Station
EN
Víctor M. Blanco Telescope
EN
BTA-6
EN
Nicholas U. Mayall Telescope
+17 relations
DISCOVERER OR INVENTOR
George Willis Ritchey
Henri Chrétien
NAMED AFTER
George Willis Ritchey
Henri Chrétien
Wikidata
EL
τηλεσκόπιο Ritchey–Chrétien
Wikipedia Translations
EL
ritchey-chrétien τηλεσκόπιο

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