Author Question: What is Hubble's law? A) The longer the time period between peaks in brightness, the greater the ... (Read 147 times)

awywial

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What is Hubble's law?
 
  A) The longer the time period between peaks in brightness, the greater the luminosity of the Cepheid variable star.
  B) The recession velocity of a galaxy is directly proportional to its distance from us.
  C) The recession velocity of a galaxy is inversely proportional to its distance from us.
  D) The faster a spiral galaxy's rotation speed, the more luminous it is.
  E) The faster a spiral galaxy's rotation speed, the less luminous it is.

Question 2

Nonscientific practices that make no claims about how the natural world works do not conflict with science.
 
  Indicate whether the statement is true or false



bbburns21

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Answer to Question 1

B

Answer to Question 2

TRUE



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