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Author Question: Identify a true statement about quasars. A) Their spectra are similar to the spectra of stars. ... (Read 142 times)

joblessjake

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on: Jul 27, 2018
Identify a true statement about quasars.
 
  A) Their spectra are similar to the spectra of stars.
  B) Their spectra do not show any redshift.
  C) They exhibit fluctuations in their brightness over time scales of hours or minutes.
  D) They are supermassive structures with a diameter of 20 to 50 Mpc.

Question 2

The brilliant nuclei of Seyfert galaxies change brightness rapidly, in only a few hours or minutes, especially at _____.
 
  A) microwave wavelengths
  B) visible light wavelengths
  C) gamma ray wavelengths
  D) X-ray wavelengths


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tashiedavis420

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

C

Answer to Question 2

D


joblessjake

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


tashiedavis420

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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