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Author Question: What is Hubble's law? A) The longer the time period between peaks in brightness, the greater the ... (Read 145 times)

awywial

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

B

Answer to Question 2

TRUE


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