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Author Question: Can our Sun ever become a nova? Why? What will be an ideal ... (Read 57 times)

student77

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on: Jul 27, 2018
Can our Sun ever become a nova? Why?
 
  What will be an ideal response?

Question 2

Under what circumstances will a nova occur?
 
  What will be an ideal response?


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tuwy

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

No, ours is a single star, with no close companion to supply fresh hydrogen via mass transfer onto the surface of our collapsed white dwarf Sun billions of years from now.

Answer to Question 2

When a white dwarf pulls mass off its companion in a mass-transfer binary. When this hydrogen shell reaches 10 million K, sudden proton-proton fusion generates the bright flash and rapidly expanding envelope we observe from Earth.


student77

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Reply 2 on: Jul 27, 2018
Excellent

elyse44

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

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