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Author Question: In which wavelengths have the births of new stars been best mapped recently? A) gamma rays B) ... (Read 123 times)

Mr. Wonderful

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In which wavelengths have the births of new stars been best mapped recently?
 
  A) gamma rays
  B) extreme ultraviolet
  C) infrared
  D) microwave
  E) radio

Question 2

Which of the following terms is given to a pair of stars that we can determine are orbiting each other only by measuring their periodic Doppler shifts?
 
  A) visual binary
  B) eclipsing binary
  C) spectroscopic binary
  D) double star
  E) none of the above



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Edwyer

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Answer to Question 1

C

Answer to Question 2

C




Mr. Wonderful

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Reply 2 on: Jul 27, 2018
Gracias!


Perkypinki

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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