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Author Question: The summer solstice is east of the vernal equinox by 6 hours of right ascension. Indicate whether ... (Read 23 times)

nenivikky

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on: Jul 27, 2018
The summer solstice is east of the vernal equinox by 6 hours of right ascension.
 
  Indicate whether the statement is true or false

Question 2

What lines of evidence show that the Milky Way Galaxy is indeed a spiral galaxy?
 
  What will be an ideal response?


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momolu

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

TRUE

Answer to Question 2

The plane of the disk is obscured by dust, but it can be mapped using 21 cm. radiation. The central bulge can be observed at radio wavelengths, and it is clear that there is little significant structure above or below the disk, except the halo.


nenivikky

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


momolu

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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