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Author Question: Which of the following is a main criterion separating the three models of the Universe? A) The ... (Read 54 times)

jlmhmf

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on: Jul 27, 2018
Which of the following is a main criterion separating the three models of the Universe?
 
  A) The size of the Universe
  B) The average density of the Universe
  C) The speed at which the Universe is expanding
  D) The age of the Universe

Question 2

The Hubble time is:
 
  A) the time remaining before the Universe stops expanding and begins to contract.
  B) the time it takes a galaxy moving at 1000 km/sec to move 1 Mpc.
  C) an estimate of the age of the Universe based on the Hubble constant.
  D) an estimate of the time it will take the Universe to double in size based on the Hubble constant.


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aloop

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

B

Answer to Question 2

C


jlmhmf

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Reply 2 on: Jul 27, 2018
Excellent

juliaf

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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