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Author Question: What type of galaxies do astronomers believe to be the most common? a. elliptical b. spiral c. ... (Read 108 times)

CQXA

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on: Jul 27, 2018
What type of galaxies do astronomers believe to be the most common?
 
  a. elliptical
  b. spiral
  c. irregular
  d. Astronomers have no idea which type of galaxy is most common.

Question 2

Why is a brown dwarf not considered a star?
 
  What will be an ideal response?


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abctaiwan

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

a

Answer to Question 2

A brown dwarf is an object with a diameter only about the size of Jupiter, and although they are still warm from contraction, they do not generate energy, therefore they are not stars.


CQXA

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Reply #2 on: Jul 27, 2018
TY


abctaiwan

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Reply #3 on: Jul 27, 2018
You're welcome


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