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Author Question: Astronomer's believe that a spiral galaxy may form: A) from a collision between a small and large ... (Read 128 times)

fasfsadfdsfa

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on: Jul 27, 2018
Astronomer's believe that a spiral galaxy may form:
 
  A) from a collision between a small and large galaxy.
  B) due to a quasar shutting down.
  C) from the sudden contraction of an elliptical galaxy.
  D) from the collision of two giant elliptical galaxies.
  E) from the explosion of a dwarf irregular galaxy.

Question 2

Why can many more people witness a total lunar eclipse than a total solar eclipse?
 
  What will be an ideal response?


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Bigfoot1984

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

A

Answer to Question 2

For a total solar eclipse to be seen, the observer must be in the Moon's umbra, a shadow only about a hundred miles across, while everyone on the night side of the Earth can look up to witness the full moon moving though our shadow.


fasfsadfdsfa

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Reply #2 on: Jul 27, 2018
Thank you!


Bigfoot1984

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Reply #3 on: Jul 27, 2018
Always glad to help...


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