Which of the following is one important reason why most large astronomical telescopes are reflecting telescopes rather than refracting telescopes?
A) Reflecting telescopes have their heaviest component (the mirror) at the bottom rather than the top of the telescope's tube.
B) Reflecting telescopes take up less space than refracting telescopes.
C) Reflecting telescopes are taller than refracting telescopes.
D) For a mirror and lens of the same diameter, a mirror will collect more light.
A) Reflecting telescopes have their heaviest component (the mirror) at the bottom rather than
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