The focus reflector needs only a single optical surface to form images.
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Q40: A major advantage of a Newtonian reflector
Q41: What problem does adaptive optics correct?
A) the
Q42: What is true of radio telescopes?
A) They
Q43: The twinkling of starlight and the focusing
Q44: The design of modern X- ray telescopes
Q46: Compared to optical telescopes, radio telescopes are
Q47: A mirror must be in shape to
Q48: Grazing incidence optics are critical to focusing
A)
Q49: An advantage a reflector has over a
Q50: In astronomy, an interferometer can be used
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