Author Question: From studies of the masses of individual galaxies and the masses of clusters of galaxies, it is now ... (Read 34 times)

Cooldude101

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From studies of the masses of individual galaxies and the masses of clusters of galaxies, it is now apparent that up to ________ of the universe is composed of dark matter.
 
  Fill in the blank(s) with correct word

Question 2

Kepler deduced his laws of planetary motion once Newton had published his universal law of gravitation.
 
  Indicate whether the statement is true or false



nyrave

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Answer to Question 1

90

Answer to Question 2

FALSE



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