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Author Question: The center of our galaxy lies in the direction of the constellation of a. Ursa Minor. b. Ursa ... (Read 95 times)

Engineer

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on: Jul 27, 2018
The center of our galaxy lies in the direction of the constellation of
 
  a. Ursa Minor.
  b. Ursa Major.
  c. Sagittarius.
  d. Orion.
  e. Monoceros.

Question 2

Which of the following is NOT evidence of the existence of an interstellar medium?
 
  a. extinction of light from distant stars
  b. very narrow calcium absorption lines in the spectra of O and B stars
  c. reddening of more distant stars
  d. dark cloud silhouetted against background stars
  e. molecular absorption lines in the spectra of cool stars


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aham8f

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

c

Answer to Question 2

e


Engineer

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Reply #2 on: Jul 27, 2018
Thank you!


aham8f

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Reply #3 on: Jul 27, 2018
Always glad to help...


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