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Author Question: In globular clusters, the brightest stars will be: A) massive blue main sequence stars. B) red ... (Read 55 times)

j.rubin

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on: Jul 27, 2018
In globular clusters, the brightest stars will be:
 
  A) massive blue main sequence stars.
  B) red supergiants.
  C) T Tauri stars.
  D) blue stragglers.
  E) planetary nebulae.

Question 2

Distinguish an Sa from an Sc galaxy.
 
  What will be an ideal response?


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Madisongo23

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

B

Answer to Question 2

Sa spirals have more tightly wound spiral arms, and a wider nuclear bulge; Sc are flatter, dustier, and have looser arms.


j.rubin

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Reply #2 on: Jul 27, 2018
Thanks


Madisongo23

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Reply #3 on: Jul 27, 2018
Welcome :)


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