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Author Question: The Main Sequence is the first stellar stage in which energy produced by ________ balances the ... (Read 33 times)

stephzh

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on: Jul 27, 2018
The Main Sequence is the first stellar stage in which energy produced by ________ balances the energy lost by radiation from the surface of the star.
 
  Fill in the blank(s) with correct word

Question 2

The ________ hypothesis was considered plausible in the 1800s, but is it no longer taken seriously.
 
  Fill in the blank(s) with correct word


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fffftttt

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

fusion (of hydrogen into helium) or nuclear reactions

Answer to Question 2

collision


stephzh

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


fffftttt

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


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