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Author Question: Black dwarfs are A) rare, for collapsing cores of over three solar masses are uncommon. B) very ... (Read 76 times)

fox

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Black dwarfs are
 
  A) rare, for collapsing cores of over three solar masses are uncommon.
  B) very common, making up the majority of the dark matter in the universe.
  C) often made from very low mass protostars that never fuse hydrogen.
  D) rare, for few binary systems are close enough for this merger to happen.
  E) not found yet; the oldest, coldest white dwarf in the Galaxy has not cooled enough yet.

Question 2

The black hole in the core of a Seyfert galaxy consumes the equivalent of hundreds of solar masses a day.
 
  Indicate whether the statement is true or false



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parshano

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Answer to Question 1

E

Answer to Question 2

FALSE





 

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