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Author Question: The high _______________ of quasars reveals to astronomers that they must be very distant. Fill ... (Read 69 times)

elizabeth18

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The high _______________ of quasars reveals to astronomers that they must be very distant.
 
  Fill in the blank(s) with correct word

Question 2

We know that the central object in a planetary nebula has a surface temperature of at least ____ because the nebula contains large amounts of ionized hydrogen.
 
  a. 50 K
  b. 100 K
  c. 500 K
  d. 5,000 K
  e. 25,000 K



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cegalasso

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Answer to Question 1

redshift

Answer to Question 2

e




elizabeth18

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


6ana001

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

 

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