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Author Question: Active galaxies were first discovered by observations in the _______________ wavelength band. ... (Read 31 times)

daltonest1984

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Active galaxies were first discovered by observations in the _______________ wavelength band.
 
  Fill in the blank(s) with correct word

Question 2

A(n) _______________ spectrum is produced by a hot, excited gas.
 
  Fill in the blank(s) with correct word



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johnharpe

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Answer to Question 1

radio

Answer to Question 2

emission




daltonest1984

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


Jsherida

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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