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Author Question: The Moon's crust is thicker on the side facing Earth. a. True b. False Indicate whether the ... (Read 69 times)

clmills979

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on: Jul 27, 2018
The Moon's crust is thicker on the side facing Earth.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Explain how the age of a star cluster provides evidence of stellar evolution.
 
  What will be an ideal response?


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IAPPLET

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

False

Answer to Question 2

All the stars in a cluster are understood to have formed at about the same time from the same cloud of gas, so they are all about the same age and have the same chemical composition. The differences you see among stars in a cluster presumably arise only from differences in mass, and that is what makes stellar evolution visible.


clmills979

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

okolip

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

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