[Answered] Which of the following is the centerpiece in the unified model of active galactic nuclei (AGN) and ...

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Author Question: Which of the following is the centerpiece in the unified model of active galactic nuclei (AGN) and ... (Read 86 times)

ts19998

Hero Member
Posts: 531

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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Marked as best answer by a Subject Expert

kingfahad97

Sr. Member
Posts: 308

Reply #1 on: Jul 27, 2018

Answer to Question 1

D

Answer to Question 2

A

ts19998

Member
Posts: 531

Reply 2 on: Jul 27, 2018

Gracias!

bulacsom

Member
Posts: 329

Reply 3 on: Yesterday

Excellent

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