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Author Question: The energy from the accretion disk around a black hole would show gravitational red shift due to its ... (Read 102 times)

skymedlock

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on: Jul 27, 2018
The energy from the accretion disk around a black hole would show gravitational red shift due to its immense gravity and tidal distortion of space there.
 
  Indicate whether the statement is true or false

Question 2

If a galaxy's overall mass-to-light ratio is 100 solar masses per solar luminosity, and its stars account for only 5 solar masses per solar luminosity, how much of the galaxy's mass must be dark matter?
 
  A) 100 percent
  B) 95 percent
  C) 80 percent
  D) 50 percent
  E) 5 percent


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brittanywood

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

TRUE

Answer to Question 2

B


skymedlock

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Reply #2 on: Jul 27, 2018
Thanks


brittanywood

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


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