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Author Question: About 90 of the star's total life is spent on the main sequence. Indicate whether the statement ... (Read 469 times)

londonang

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on: Jul 27, 2018
About 90 of the star's total life is spent on the main sequence.
 
  Indicate whether the statement is true or false

Question 2

Which is more common: a star blows up as a supernova, or a star forms a planetary nebula/white dwarf system?
 
  A) Supernovae are more common. B) Planetary nebula formation is more common.
  C) They both occur in about equal numbers. D) It is impossible to say.


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Hdosisshsbshs

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

TRUE

Answer to Question 2

B


londonang

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Hdosisshsbshs

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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