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Author Question: Like the RR Lyrae stars, Cepheids are all similar in luminosity, hence their use in measuring ... (Read 61 times)

D2AR0N

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on: Jul 27, 2018
Like the RR Lyrae stars, Cepheids are all similar in luminosity, hence their use in measuring stellar distances.
 
  Indicate whether the statement is true or false

Question 2

Describe the large-scale structure revealed by the redshift surveys.
 
  What will be an ideal response?


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SamMuagrove

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

FALSE

Answer to Question 2

The superclusters are separated by huge, apparently empty voids that make up most of the volume of the cosmos. The galaxies lie in a frothy structure, as if made up of many cosmic bubbles, with the galaxies the matter film on the void bubbles.


D2AR0N

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

sultana.d

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Reply 3 on: Yesterday
Excellent

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