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Author Question: A star of the Sun's diameter, but twice as hot, must be 16X more luminous than the Sun. Indicate ... (Read 77 times)

silviawilliams41

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on: Jul 27, 2018
A star of the Sun's diameter, but twice as hot, must be 16X more luminous than the Sun.
 
  Indicate whether the statement is true or false

Question 2

As originally stated, the Copernican model did no better job of predicting planetary behavior than did the Ptolemaic one.
 
  Indicate whether the statement is true or false


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kjohnson

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

TRUE

Answer to Question 2

TRUE


silviawilliams41

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Reply 2 on: Jul 27, 2018
Excellent

milbourne11

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Reply 3 on: Yesterday
Wow, this really help

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