brennamclemore brennamclemore

16-02-2018
Biology

contestada

List the three main types of optical telescopes, and describe their differences.

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GeekyDave13 GeekyDave13

16-02-2018

refractors, which use lenses (dioptrics)reflectors, which use mirrors (catoptrics)catadioptric telescopes, which combine lenses and mirrors.

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