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Author Question: The look-back time is numerically equal to the distance to a galaxy in light-years. a. True b. ... (Read 83 times)

segrsyd

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on: Jul 27, 2018
The look-back time is numerically equal to the distance to a galaxy in light-years.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

A white dwarf star is prevented from collapsing by
 
  a. nuclear energy it is generating.
  b. its gravitational force.
  c. Hubble's law of extragalactic redshifts.
  d. degenerate electron gas pressure.
  e. degenerate astronomers observing the star.


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parshano

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

True

Answer to Question 2

d


segrsyd

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Reply #2 on: Jul 27, 2018
TY


parshano

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Reply #3 on: Jul 27, 2018
You're welcome


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