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Author Question: The Ptolemaic model has planets moving in A) elliptical orbits about the Sun B) a simple circle ... (Read 85 times)

humphriesbr@me.com

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on: Jul 27, 2018
The Ptolemaic model has planets moving in
 
  A) elliptical orbits about the Sun
  B) a simple circle about the Earth
  C) a simple circle about the Sun
  D) small circles, the centers of which move in a larger circle about the Earth

Question 2

The cosmological redshift is actually not a velocity at all, but a measure of the expansion of space-time.
 
  Indicate whether the statement is true or false


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rosiehomeworddo

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

D

Answer to Question 2

TRUE


humphriesbr@me.com

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Reply 2 on: Jul 27, 2018
Gracias!

samiel-sayed

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Reply 3 on: Yesterday
Wow, this really help

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