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Author Question: Measuring the Doppler shift of material at various distances from the center of a galaxy can be used ... (Read 67 times)

joblessjake

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on: Jul 27, 2018
Measuring the Doppler shift of material at various distances from the center of a galaxy can be used to construct a(n) ________________ for that galaxy.
 
  Fill in the blank(s) with correct word

Question 2

Which of the following nuclear fuels does a twenty-solar-mass star NOT fuse over the course of its entire evolution?
 
  a. hydrogen
  b. carbon
  c. nitrogen
  d. oxygen
  e. iron


Dominic

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

rotation curve

Answer to Question 2

e


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