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Author Question: Which of the following information is required to compute the mass of a galaxy using the rotation ... (Read 93 times)

BRWH

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on: Jul 27, 2018
Which of the following information is required to compute the mass of a galaxy using the rotation curve method?
 
  A) The age of the galaxy
  B) The distance of the galaxy from the nearest rich galaxy cluster
  C) The total number of stars in the galaxy
  D) The true sizes of the orbits of stars or gas clouds within the galaxy

Question 2

The average separation between galaxies is about _____ times their diameter.
 
  A) 6
  B) 20
  C) 105
  D) 1017


nicoleclaire22

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

D

Answer to Question 2

B


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BRWH

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


nicoleclaire22

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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