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Author Question: The Sun appears to rotate only because the Earth is revolving about the Sun. Indicate whether the ... (Read 68 times)

ETearle

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

F

Answer to Question 2

B


ETearle

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Reply 2 on: Jul 27, 2018
Gracias!

sultana.d

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

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