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Author Question: The Tully-Fisher relation uses the rotational speed of the galaxy to measure its ________. Fill ... (Read 135 times)

123654777

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on: Jul 27, 2018
The Tully-Fisher relation uses the rotational speed of the galaxy to measure its ________.
 
  Fill in the blank(s) with correct word

Question 2

How did ancient peoples of central Africa predict the weather?
 
  What will be an ideal response?


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blakcmamba

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

luminosity

Answer to Question 2

They observed the orientation of the crescent moon relative to the horizon. The orientation of the horns is related to rainfall patterns.


123654777

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Reply 2 on: Jul 27, 2018
Excellent

nathang24

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Reply 3 on: Yesterday
:D TYSM

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