单词 | Newtonian telescope |
释义 | Newtonian telescope [`nü`tō·nē·ǝn `tel·ǝ´skōp] OPTICS A reflecting telescope in which the light reflected from a concave mirror is reflected again by a plane mirror making an angle of 45° with the telescope axis, so that it passes through a hole in the side of the telescope containing the eyepiece. |
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