a reflecting type telescope is preferred in Astronomy explain why??
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astronomy is the study of heavenly bodies which are very far away from us to analyse this objects we require an optical instrument which may produce a bright and sharp image of this objects since reflecting type telescope is free from chromatic and sperical aberrations a sharp image of distant heavenly object like a star can be formed by this telescope more ever the aperture of the objective of this telescope is very large and it collects large amount of light and hands bright image is formed by this telescope .
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SO, in conclusion, astronomers prefer reflecting telescopes because they can be made larger so that they collect more light, and because they don't have chromatic aberration
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