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Author Question: Can a star become a red giant more than once? A) yes, before and after the helium flash B) no, ... (Read 82 times)

jrubin

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on: Jul 27, 2018
Can a star become a red giant more than once?
 
  A) yes, before and after the helium flash
  B) no, the planetary nebula blows off all the outer shells completely
  C) yes, before and after the Type II supernova event
  D) no, or we would see them as the majority of naked-eye stars
  E) no, it will lose so much mass as to cross the Chandrasekhar Limit

Question 2

The surface of the neutron star RXJ2015 has a temperature of 10 million K. This neutron star glows most strongly in
 
  A) visible light.
  B) infrared light.
  C) emission lines.
  D) radio light.
  E) X-ray light.


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gasdhashg

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

A

Answer to Question 2

E


jrubin

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

Jsherida

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Reply 3 on: Yesterday
Excellent

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