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Author Question: From the Sun, the distance to the Galactic Center is about A) 100,000 light-years. B) 8 kpc. C) ... (Read 115 times)

skymedlock

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on: Jul 27, 2018
From the Sun, the distance to the Galactic Center is about
 
  A) 100,000 light-years.
  B) 8 kpc.
  C) 100 billion parsecs.
  D) 8,000 light-years.
  E) 225 million light-years.

Question 2

Homogeneity and isotropy, taken as assumptions regarding the structure and evolution of the universe, are known as
 
  A) the cosmological principle.
  B) Hubble's law.
  C) Wien's law.
  D) the Grand Unified Theory.
  E) Olbers's paradox.


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zoeyesther

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

B

Answer to Question 2

A


skymedlock

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

kilada

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Reply 3 on: Yesterday
Excellent

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