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Author Question: The unified model describes active galactic nuclei using a. a supermassive black hole at the ... (Read 91 times)

jeatrice

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on: Jul 27, 2018
The unified model describes active galactic nuclei using
 
  a. a supermassive black hole at the center of a normal spiral galaxy.
  b. a supermassive black hole surrounded by an accretion disk and dense disk of gas.
  c. an accretion disk around a neutron star.
  d. gravitational lenses to intensify the radiation coming from them.
  e. different lines of sight toward and dwarf irregular galaxy.

Question 2

A Type Ia supernova is believed to occur when
 
  a. the core of a massive star collapses.
  b. hydrogen detonation occurs.
  c. a white dwarf exceeds the Chandrasekhar limit.
  d. the cores of massive stars collapse.
  e. neutrinos in a massive star become degenerate and form a shock wave that explodes the star.


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shayla

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

b

Answer to Question 2

c


jeatrice

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

bassamabas

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Reply 3 on: Yesterday
Excellent

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