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Author Question: A solar-mass star will evolve off the main sequence when A) it loses all its neutrinos, so fusion ... (Read 73 times)

laurencescou

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on: Jul 27, 2018
A solar-mass star will evolve off the main sequence when
 
  A) it loses all its neutrinos, so fusion must cease.
  B) it completely runs out of hydrogen.
  C) it builds up a core of inert helium.
  D) it explodes as a violent nova.
  E) it expels a planetary nebula to cool off and release radiation.

Question 2

The next moon likely to be broken up into a ring is
 
  A) Triton. B) Mimas. C) Io. D) Ganymede. E) Charon.


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macmac

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

C

Answer to Question 2

A


laurencescou

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Reply 2 on: Jul 27, 2018
Wow, this really help

frankwu0507

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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