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Author Question: The cosmological principle calls for the distribution of galaxies to be homogeneous. On the large ... (Read 69 times)

londonang

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The cosmological principle calls for the distribution of galaxies to be homogeneous. On the large scale, is this true?
 
  What will be an ideal response?

Question 2

Suppose you and a friend have very precise clocks. You are on the ground floor of a tall building and your friend is on the roof. Which of the following statements is true?
 
  A) You will see your friend's clock ticking faster than yours, and she will see your clock ticking faster than hers.
  B) You will see your friend's clock ticking slower than yours, and she will see your clock ticking slower than hers.
  C) You will see your friend's clock ticking faster than yours, and she will see your clock ticking slower than hers.
  D) You will see your friend's clock ticking slower than yours, and she will see your clock ticking faster than hers.



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mk6555

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Answer to Question 1

No; the superclusters of galaxies seem to form sheets and walls, with a frothy appearance on the grandest of scales. There are also huge, apparently empty voids between the superclusters of galaxies; the explanation of this inconsistency is still unknown.

Answer to Question 2

C





 

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