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Author Question: How did Harlow Shapley determine where the center of the galaxy lies? a. He plotted the ... (Read 83 times)

olgavictoria

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How did Harlow Shapley determine where the center of the galaxy lies?
 
  a. He plotted the distribution of open clusters.
  b. He plotted the distribution of globular clusters.
  c. He made star counts in every direction of the galactic disk.
  d. He measured the amount of dust obscuration in every direction of the galactic disk.

Question 2

________ is the thermonuclear fusion of hydrogen to form helium operating in the cores of massive stars on the main sequence.
 
  a. The CNO cycle
  b. The proton-proton chain
  c. Hydrostatic equilibrium
  d. The neutrino process
  e. None of the above



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covalentbond

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Answer to Question 1

b

Answer to Question 2

a




olgavictoria

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


helenmarkerine

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Reply 3 on: Yesterday
:D TYSM

 

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