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Author Question: How is a constellation different from an asterism? What will be an ideal ... (Read 51 times)

beccaep

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on: Jul 27, 2018
How is a constellation different from an asterism?
 
  What will be an ideal response?

Question 2

How are the celestial poles and celestial equator defined by Earth's rotation?
 
  What will be an ideal response?


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AngeliqueG

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

A constellation is a group of stars in the sky with defined boundaries, recognized by the International Astronomical Union (IAU), and an asterism is a named group of stars that is not recognized by the IAU. Stars that form asterism can be a part of one or several constellations.

Answer to Question 2

The north and south celestial poles are the pivots on which the sky appears to rotate, and the celestial equator is an imaginary line around the sky above Earth's equator.


beccaep

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


AngeliqueG

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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