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Author Question: All of the following are clusters of galaxies EXCEPT: A) Andromeda. B) Perseus. C) Coma. D) ... (Read 26 times)

littleanan

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on: Jul 27, 2018
All of the following are clusters of galaxies EXCEPT:
 
  A) Andromeda.
  B) Perseus.
  C) Coma.
  D) Virgo.
  E) Hydra.

Question 2

In comparing first magnitude Deneb with second magnitude Polaris, we find that:
 
  A) Polaris is in reality much more luminous.
  B) Deneb must be much hotter than Polaris.
  C) Deneb appears 2.5 times brighter to us than does Polaris.
  D) Polaris is really 100 times brighter than nearby Deneb.
  E) Deneb is really much closer than Polaris.


TheNamesImani

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

A

Answer to Question 2

C


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