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Author Question: Harlow Shapley made the first accurate determination of the position of the center of the galaxy by ... (Read 72 times)

berenicecastro

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Harlow Shapley made the first accurate determination of the position of the center of the galaxy by studying ____.
 
  a. globular clusters
 b. open clusters
 c. emission nebulae
 d. spiral tracers
 e. stellar associations

Question 2

The ____ of an object is a measure of the amount of matter it contains. The ____ is a measure of the gravitational force on an object.
 
  a. weight; mass
 b. mass; weight
 c. energy; force
 d. force; energy
 e. momentum; energy



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bfulkerson77

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Answer to Question 1

a

Answer to Question 2

b





 

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