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Author Question: Which three Galilean moons were found by Galileo to have weak, changing magnetic fields? A) ... (Read 63 times)

darbym82

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Which three Galilean moons were found by Galileo to have weak, changing magnetic fields?
 
  A) Titan, Callisto, and Amalthea
  B) Io, Europa, and Callisto
  C) Io, Amalthea, and Ganymede
  D) Io, Europa, and Ganymede
  E) Europa, Ganymede, and Callisto

Question 2

Why is the image seen in astronomical telescope eyepieces inverted?
 
  What will be an ideal response?



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quynhmickitran

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Answer to Question 1

E

Answer to Question 2

As the eyepiece must lie behind the objective's focus, the light reaching it has already been flipped over once it passed the focal point.




darbym82

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


tkempin

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Reply 3 on: Yesterday
Excellent

 

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