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The sensors that maintain a centered star image for celestial navigation is called as _________(a) Star fixer(b) Celestial fixer(c) Star tracker(d) Star searcherThis question was addressed to me by my school principal while I was bunking the class.My doubt stems from Stellar Inertial Navigation Theory topic in section Celestial Navigation, Doppler and Altimeter Radars of Avionics

Answer» RIGHT answer is (c) Star tracker

To explain I WOULD say: The star sensors have a narrow field of view and maintain a CENTERED star image through the gimbal drive commands and are CALLED star trackers. They have day and night tracking capability, given reasonable CLOUD cover conditions.


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