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Author Question: How does the theory of inflation explain the near-uniformity of the cosmic microwave background? ... (Read 98 times)

notis

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on: Jul 27, 2018
How does the theory of inflation explain the near-uniformity of the cosmic microwave background?
 
  A) Prior to rapid inflation, all regions of space were close enough to bounce radiation back-and-forth and reach the same temperature.
  B) Matter expanded into regions of space that had no matter, and thus ended up at the same temperature.
  C) The expanding universe would have cooled.
  D) Matter was near the critical-density for a universal collapse, which smoothed out the differences in temperatures.

Question 2

Place the following items in order of actual physical size, from smallest to largest.
 
  A) planets and stars are about the same size, solar system, galaxy
  B) star, planet, solar system, galaxy
  C) star, planet, galaxy, solar system
  D) planet, star, galaxy, solar system
  E) planet, star, solar system, galaxy


patma1981

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

A

Answer to Question 2

E


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notis

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


patma1981

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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