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Author Question: Astronomers have discovered more extrasolar planets around other stars than the number of planets in ... (Read 130 times)

bobthebuilder

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on: Jul 27, 2018
Astronomers have discovered more extrasolar planets around other stars than the number of planets in our own Solar System.
 
  Indicate whether the statement is true or false

Question 2

How are elements beyond iron formed in massive-star supernovae?
 
  A) Elements thrown out at high speeds fuse with hydrogen atoms in the interstellar medium.
  B) Neutrons produced during the core collapse are slammed into atomic nuclei.
  C) The high temperature and pressure allow iron nuclei to fuse.


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sabina576

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

TRUE

Answer to Question 2

B


bobthebuilder

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Reply #2 on: Jul 27, 2018
Thanks


sabina576

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


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