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Author Question: Cosmological redshift is the result of A) the high speeds at which galaxies move within clusters. ... (Read 85 times)

charchew

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Cosmological redshift is the result of
 
  A) the high speeds at which galaxies move within clusters.
  B) the expansion of the universe.
  C) very old, red stars in distant galaxies.
  D) supermassive black holes.

Question 2

For nearby spirals, their rotation curves help measure both light and dark matter.
 
  Indicate whether the statement is true or false



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Tonny

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Answer to Question 1

B

Answer to Question 2

TRUE





 

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