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Author Question: Stars spend most of their lives A) fusing hydrogen into helium in their cores B) slowly dimming ... (Read 32 times)

Capo

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on: Jul 27, 2018
Stars spend most of their lives
 
  A) fusing hydrogen into helium in their cores
  B) slowly dimming as they die with no fusion occurring in their cores
  C) as slowly brightening protostars
  D) fusing helium into carbon in their cores

Question 2

Process of Science: A beam of sunlight passing through a prism breaks up into a rainbow of colors. Some people thought the colors came from the prism itself.
 
  Describe a testable hypothesis of this explanation and explain how Newton showed it could not be true.


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whitcassie

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

A

Answer to Question 2

If the prism created the rainbow colors, it should be possible to shine a different color of light through it and still get many colors. Newton placed a second prism on the rainbow of light to show that when one color of light went in, only the same color came out and no new colors were produced. In this way he showed that the hypothesis that the prism produces colors was wrong and therefore that the colors were indeed intrinsic to the sunlight.


Capo

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Reply #2 on: Jul 27, 2018
Thanks


whitcassie

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Reply #3 on: Jul 27, 2018
Welcome :)


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