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Author Question: The proper interpretation of the Hubble law (which relates the redshift of a galaxy to its distance) ... (Read 79 times)

james

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on: Jul 27, 2018
The proper interpretation of the Hubble law (which relates the redshift of a galaxy to its distance) is that as time goes on, galaxies are____.
 
  a. staying relatively still in space while the space between the galaxies contracts
 b. moving away from a common center in space that is neither expanding nor contracting
  c. staying relatively still in space while the space between the galaxies expands
 d. moving away from a common center while the space between the galaxies expands
  e. moving toward a common center in space that is neither expanding nor contracting

Question 2

The pink color of the chromosphere is produced by the combined light of three emission lines of hydrogen: ____.
 
  a. red, magenta, and violet
  b. red, blue, and violet
 c. indigo, blue, and red
 d. blue, green, and yellow
  e. green, blue, and violet


EAN94

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

c

Answer to Question 2

b


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