Author Question: _______________ variable stars are useful in measuring the distance to globular clusters. Fill in ... (Read 115 times)

burton19126

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_______________ variable stars are useful in measuring the distance to globular clusters.
 
  Fill in the blank(s) with correct word

Question 2

Newton's first law of motion was very similar to descriptions of motion proposed by _______________.
 
  Fill in the blank(s) with correct word



tashiedavis420

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Answer to Question 1

Cepheid

Answer to Question 2

Galileo



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