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Author Question: What is the thickness of the disk of the Milky Way? A) 100 light-years B) 1,000 light-years C) ... (Read 100 times)

ssal

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on: Jul 27, 2018
What is the thickness of the disk of the Milky Way?
 
  A) 100 light-years
  B) 1,000 light-years
  C) 10,000 light-years
  D) 100,000 light-years
  E) 1,000,000 light-years

Question 2

How does the death of one very massive star give birth to perhaps hundreds of smaller ones soon thereafter?
 
  What will be an ideal response?


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leahm14

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

B

Answer to Question 2

The more massive the star, the faster it evolves, and less time it has to leave its stellar nursery and dense molecular cloud. When it explodes while still close to this dense region, its shock wave will trigger compression and collapse of many smaller protostars all at once.


ssal

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Reply #2 on: Jul 27, 2018
TY


leahm14

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Reply #3 on: Jul 27, 2018
You're welcome


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