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Author Question: In a fairly young star cluster, if the most massive stars are swelling up into giants, the least ... (Read 67 times)

Frost2351

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on: Jul 27, 2018
In a fairly young star cluster, if the most massive stars are swelling up into giants, the least massive stars are:
 
  A) also evolving off the main sequence as well.
  B) continuing to shine as stable main sequence stars.
  C) blowing off shells as planetary nebula instead.
  D) collapsing directly to white dwarfs.
  E) still evolving toward their ZAMS positions.

Question 2

Distinguish an E0 from an E7 galaxy.
 
  What will be an ideal response?


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mfedorka

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

E

Answer to Question 2

Elliptical galaxies of type E0 show spherical symmetry, like a huge globular cluster; they spin very slowly. E7 spin faster, and are more flattened into a lens shape, but they don't show the disks found in spirals.


Frost2351

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

debra928

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Reply 3 on: Yesterday
Gracias!

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