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Author Question: The Sun appears to rotate only because the Earth is revolving about the Sun. Indicate whether the ... (Read 57 times)

ETearle

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The Sun appears to rotate only because the Earth is revolving about the Sun.
 
  Indicate whether the statement is true or false

Question 2

How is the age of the galaxy determined?
 
  a. Measuring the metallicity of Population II stars.
  b. Finding the turnoff point in the H-R diagram of globular clusters.
  c. From the motion of stars in the galactic halo.
  d. Counting the number of open clusters in the spiral arms.



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laurnthompson

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Answer to Question 1

F

Answer to Question 2

B




ETearle

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Reply 2 on: Jul 27, 2018
:D TYSM


skipfourms123

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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