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Author Question: The Hubble time is expressed as A) H D. B) D/v. C) 1/H. D) H T. E) the critical ... (Read 114 times)

CQXA

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on: Jul 27, 2018
The Hubble time is expressed as
 
  A) H  D.
  B) D/v.
  C) 1/H.
  D) H  T.
  E) the critical density/H.

Question 2

According to Kepler's Second Law of planetary motion, a planet moves fastest in its orbit when it is
 
  A) undergoing retrograde motion
  B) in between perihelion and aphelion
  C) at perihelion
  D) at aphelion


whitcassie

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

C

Answer to Question 2

C


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CQXA

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Reply #2 on: Jul 27, 2018
Thanks


whitcassie

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Reply #3 on: Jul 27, 2018
Welcome :)


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