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Author Question: Which three Galilean moons were found by Galileo to have weak, changing magnetic fields? A) ... (Read 30 times)

darbym82

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
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
Great answer, keep it coming :)

Mochi

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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