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Author Question: The supermassive black holes that may be powering active galaxies emit only synchrotron radiation. ... (Read 53 times)

jho37

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on: Jul 27, 2018
The supermassive black holes that may be powering active galaxies emit only synchrotron radiation.
 
  Indicate whether the statement is true or false

Question 2

The spectra of most galaxies show redshifts. This means that their spectral lines ________.
 
  A) have wavelengths that are shorter than normal
  B) always are in the red part of the visible spectrum
  C) have wavelengths that are longer than normal
  D) have a higher intensity in the red part of the spectrum


scottmt

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

FALSE

Answer to Question 2

C


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