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Author Question: What problem do refractor telescopes have that reflectors don't? A) chromatic aberration B) ... (Read 42 times)

EAugust

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What problem do refractor telescopes have that reflectors don't?
 
  A) chromatic aberration
  B) light loss from secondary elements
  C) diffraction limited resolution
  D) atmospheric blurring
  E) bad seeing

Question 2

Because of its axial tilt and more elliptical orbit, Mars' polar caps change size even more than the Earth's do.
 
  Indicate whether the statement is true or false



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blakcmamba

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Answer to Question 1

A

Answer to Question 2

TRUE




EAugust

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Reply 2 on: Jul 27, 2018
Gracias!


bigcheese9

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Reply 3 on: Yesterday
Wow, this really help

 

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