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Author Question: What two things are unusual about the luminosity of the core of a Seyfert galaxy? What will be an ... (Read 25 times)

tichca

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on: Jul 27, 2018
What two things are unusual about the luminosity of the core of a Seyfert galaxy?
 
  What will be an ideal response?

Question 2

What physical situation is necessary to create an absorption spectrum?
 
  What will be an ideal response?


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Bigfoot1984

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

The core of a Seyfert galaxy is extremely luminous. The luminosity of the core fluctuates quickly and randomly.

Answer to Question 2

Blackbody radiation creates a continuous spectrum of photons at different wavelengths. When these photons pass through a cool gas, some are absorbed as they excite atoms in the gas. An observer on the other side then sees a continuum of photons with gaps at certain wavelengths - an absorption spectrum.


tichca

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

ktidd

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Reply 3 on: Yesterday
Excellent

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