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Author Question: What happens when a main-sequence star exhausts its core hydrogen fuel supply? A) The entire star ... (Read 107 times)

Coya19@aol.com

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on: Jul 27, 2018
What happens when a main-sequence star exhausts its core hydrogen fuel supply?
 
  A) The entire star shrinks in size.
  B) The core shrinks while the rest of the star expands.
  C) The core immediately begins to fuse its helium into carbon.
  D) The star becomes a neutron star.

Question 2

The total amount of light from a star-planet system drops when the planet goes behind the star.
 
  Indicate whether the statement is true or false


babybsemail

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

B

Answer to Question 2

TRUE


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