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Author Question: Why do we think the first generation of stars would be different from stars born today? A) ... (Read 84 times)

mynx

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on: Jul 27, 2018
Why do we think the first generation of stars would be different from stars born today?
 
  A) Without heavy elements, the clouds could not reach as low a temperature as today and had to be more massive to collapse.
  B) Without heavy elements, the nuclear reactions at the center of the stars would be very different.
  C) Without heavy elements, there was no dust in the clouds and they collapsed faster.
  D) The Universe was much denser when the first stars were born.
  E) There were no galaxies when the first stars were born.

Question 2

Star formation ceased first in the:
 
  A) nucleus.
  B) spiral arms.
  C) bulge.
  D) halo.
  E) galactic disk.


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Li Jun

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

A

Answer to Question 2

D


mynx

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


Li Jun

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


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