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Author Question: The Copernican (heliocentric) model explained things better than the Ptolemaic (geocentric) model, ... (Read 85 times)

sabina

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on: Jul 28, 2018
The Copernican (heliocentric) model explained things better than the Ptolemaic (geocentric) model, except:
 a. it did not explain the relative positions of stars as seen from Earth at different times of year.
  b. it did not explain why Mercury is always near the Sun.
  c. it was conceptually more complex than the Ptolemaic model.
  d. it did not explain planetary motion clearly.
  e. it required a great deal more mathematical calculation.

Question 2

What is the heliocentric model?
 a. The system that Ptolemy used to describe the motion of heavenly bodies seen in the sky.
  b. A system in which Earth and its moon and the known planets move around the Sun.
  c. A system in which neither the Earth nor the Sun move.
  d. A system in which the stars move around the Earth and the Sun together.
  e. A system in which the Sun moves around the Earth.


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miss_1456@hotmail.com

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Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

b


sabina

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Reply 2 on: Jul 28, 2018
Excellent

lkanara2

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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