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Author Question: Astronomy and astrology were often practiced together in ancient cultures, and astrology played an ... (Read 75 times)

future617RT

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on: Jul 27, 2018
Astronomy and astrology were often practiced together in ancient cultures, and astrology played an important role in the historical development of astronomy.
 
  Indicate whether the statement is true or false

Question 2

The leading explanation for the existence of spiral arms is
 
  A) shock waves from cyclic supernovae explosions.
  B) shock wave from the quasar-like eruption of the Galactic core.
  C) passages of spiral density waves through the interstellar medium.
  D) passages of massive globular clusters through the Galactic plane.
  E) tidal streams of small galaxies being torn up by our monster Galaxy.


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Anonymous

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

TRUE

Answer to Question 2

C


future617RT

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Reply #2 on: Jul 27, 2018
Thanks


Anonymous

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Reply #3 on: Jul 27, 2018
Welcome :)


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