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Author Question: You have taken a picture of a galaxy 1 billion light years away. That picture shows A) a galaxy ... (Read 162 times)

biggirl4568

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on: Jul 27, 2018
You have taken a picture of a galaxy 1 billion light years away. That picture shows
 
  A) a galaxy that is 1 billion years old. B) a galaxy that is 1 billion light years old.
  C) a galaxy that is 13 billion years old. D) a galaxy as it was 1 billion years ago.

Question 2

The observed composition of ordinary matter in the universeroughly 75 percent hydrogen and 25 percent helium by massclosely matches theoretical predictions based on the Big Bang model.
 
  Indicate whether the statement is true or false


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AaaA

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

D

Answer to Question 2

TRUE


biggirl4568

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Reply #2 on: Jul 27, 2018
Thanks


AaaA

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


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