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Author Question: Which of the following is the centerpiece in the unified model of active galactic nuclei (AGN) and ... (Read 83 times)

ts19998

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on: Jul 27, 2018
Which of the following is the centerpiece in the unified model of active galactic nuclei (AGN) and quasars?
 
  A) A blue giant
  B) An accretion disk
  C) A torus
  D) A black hole

Question 2

The _____ is a measure of the rate of expansion of the Universe.
 
  A) Hubble constant
  B) Stefan-Boltzmann constant
  C) Boltzmann constant
  D) Planck constant


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kingfahad97

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

D

Answer to Question 2

A


ts19998

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Reply 2 on: Jul 27, 2018
Wow, this really help

ttt030911

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Reply 3 on: Yesterday
Excellent

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