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Author Question: An absorption spectrum is also called a bright line spectrum. Indicate whether the statement is ... (Read 100 times)

Pineappleeh

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on: Jul 27, 2018
An absorption spectrum is also called a bright line spectrum.
 
  Indicate whether the statement is true or false

Question 2

The age of the Milky Way galaxy has been estimated to be at least 13 billion years based on
 
  a. observations of globular clusters.
  b. observations of open clusters.
  c. 21-cm radiation from H I regions.
  d. the rotation curve of the galaxy.
  e. the energy produced by Sagittarius A.


ynlevi

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

F

Answer to Question 2

E


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Pineappleeh

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


ynlevi

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


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