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Author Question: Rigel, a blue supergiant, is 17 times more massive than the Sun and, therefore, is likely ________ ... (Read 36 times)

dmcintosh

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on: Jul 27, 2018
Rigel, a blue supergiant, is 17 times more massive than the Sun and, therefore, is likely ________ in age.
 
  Fill in the blank(s) with correct word

Question 2

What elements do astronomers consider heavy elements?
 
  A) all elements besides hydrogen and helium
  B) elements that are heavier than iron
  C) elements that are heavier than uranium
  D) elements that are heavier than hydrogen
  E) elements that are heavier than carbon


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abctaiwan

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

younger

Answer to Question 2

A


dmcintosh

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Reply #2 on: Jul 27, 2018
Thank you!


abctaiwan

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Reply #3 on: Jul 27, 2018
Always glad to help...


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