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Author Question: What happens to the core of a star after a planetary nebula occurs? A) It contracts from a ... (Read 89 times)

cnetterville

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on: Jul 27, 2018
What happens to the core of a star after a planetary nebula occurs?
 
  A) It contracts from a protostar to a main-sequence star.
  B) It breaks apart in a violent explosion.
  C) It becomes a white dwarf.
  D) It becomes a neutron star.
  E) none of the above

Question 2

The average density of the Moon is less than that of the Earth.
 
  Indicate whether the statement is true or false


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Melissahxx

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

C

Answer to Question 2

TRUE


cnetterville

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Reply #2 on: Jul 27, 2018
Thanks


Melissahxx

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Reply #3 on: Jul 27, 2018
Welcome :)


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