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Author Question: Supernovae are one of the most extreme events in the known universe. They are caused by A) the ... (Read 15 times)

magmichele12

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on: Jul 29, 2018
Supernovae are one of the most extreme events in the known universe. They are caused by
 
  A) the implosion of a white dwarf, which has run out of all its fuel.
  B) a supermassive supergiant star undergoing a massive nuclear chain reaction.
  C) the collapse of a supermassive supergiant star.
  D) Any of the above.

Question 2

Because a white dwarf is no longer burning fuel, it is more accurately described as being a
 
  A) stellar remnant.
  B) failed star.
  C) protostar.
  D) black elf.


jomama

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


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