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Author Question: In Ptolemy's geocentric model, retrograde motion occurs when the planet is closest to us, on the ... (Read 85 times)

khang

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on: Jul 27, 2018
In Ptolemy's geocentric model, retrograde motion occurs when the planet is closest to us, on the inside portion of the
 
  A) ellipse. B) epicycle. C) equant. D) ecliptic. E) deferent.

Question 2

All four ring systems lie around their planet's ________.
 
  Fill in the blank(s) with correct word


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Heffejeff

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

equators


khang

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Reply #2 on: Jul 27, 2018
TY


Heffejeff

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Reply #3 on: Jul 27, 2018
You're welcome


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