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Author Question: The energy from an AGN is produced by a. the collision of two spiral galaxies. b. the collision ... (Read 101 times)

B

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on: Jul 27, 2018
The energy from an AGN is produced by
 
  a. the collision of two spiral galaxies.
  b. the collision of two elliptical galaxies.
  c. the collision of two radio jets.
  d. matter flowing into a supermassive black hole.
  e. supernovae.

Question 2

A Sun-like star will experience a helium flash in the core if
 
  a. it is less massive than about 3 solar masses.
  b. it has become a red giant star.
  c. it has formed a helium core.
  d. the material in the core has gradually become degenerate.
  e. All of the other choices are correct.


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Jsherida

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

d

Answer to Question 2

e


B

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Reply 2 on: Jul 27, 2018
:D TYSM

FergA

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Reply 3 on: Yesterday
Gracias!

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