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Author Question: What temperature is needed to fuse helium into carbon? A) 5,800 K B) 100,000 K C) 15 million K ... (Read 138 times)

geoffrey

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on: Jul 27, 2018
What temperature is needed to fuse helium into carbon?
 
  A) 5,800 K
  B) 100,000 K
  C) 15 million K
  D) 100 million K
  E) one billion K

Question 2

In active galaxies, their central engines may be temporarily fed by:
 
  A) a sudden surge of star formation.
  B) a series of supernovae around the core.
  C) the sudden collapse of the core into a supermassive black hole.
  D) a close encounter with a neighbor galaxy.
  E) the fusion of helium into carbon in their cores.


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mtmmmmmk

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

D

Answer to Question 2

D


geoffrey

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


mtmmmmmk

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


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