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Author Question: Arcturus, the brightest star of spring skies, is spectral type K, so to us it appears ________ in ... (Read 70 times)

khang

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on: Jul 27, 2018
Arcturus, the brightest star of spring skies, is spectral type K, so to us it appears ________ in color.
 
  Fill in the blank(s) with correct word

Question 2

At decoupling, the protons and electrons formed transparent hydrogen atoms, allowing the radiation to escape and become the present microwave background.
 
  Indicate whether the statement is true or false


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mirabriestensky

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

orange

Answer to Question 2

TRUE


khang

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

miss_1456@hotmail.com

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Reply 3 on: Yesterday
Excellent

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