Author Question: Counting only the material between us and the galactic Center, we measure a mass of ________ billion ... (Read 52 times)

Sportsfan2111

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Counting only the material between us and the galactic Center, we measure a mass of ________ billion Suns.
 
  Fill in the blank(s) with correct word

Question 2

When decoupling occurred ________ formed.
 
  Fill in the blank(s) with correct word



yeungji

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Answer to Question 1

100

Answer to Question 2

hydrogen atoms



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