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Author Question: ____________ galaxies contain a supermassive black hole at their centers while active nuclei are ... (Read 79 times)

washai

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  • Posts: 523
on: Jul 27, 2018
____________ galaxies contain a supermassive black hole at their centers while active nuclei are present in ____________of galaxies
 
  a. Most; a few percent
  b. Most; the majority
  c. A small minority; a few percent
  d. A small minority; the majority

Question 2

Star clusters are important to our study of stars because
 
  a. all stars formed in star clusters.
  b. the Sun was once a member of a globular cluster.
  c. they give us a method to test the our theories and models of stellar evolution.
  d. they are the only objects that contain Cepheid variables.
  e. All of the other choices are correct.


milbourne11

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

a

Answer to Question 2

c


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