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Author Question: Approximately how long does it take the sun to go through a full cycle of passing above and below ... (Read 45 times)

bucstennis@aim.com

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on: Jul 27, 2018
Approximately how long does it take the sun to go through a full cycle of passing above and below the plane of the galaxy?
 
  A) a few million years B) a few tens of millions of years
  C) a few thousand years D) a few hundred years

Question 2

A star is observed with a surface temperature of 3,000 K and a lumi nosity of 105 solar. What is the approximate radius of this star?
 
  A) 10 solar radii B) 103 solar radii
  C) 102 solar radii D) The radius cannot be determined.


Dnite

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

B

Answer to Question 2

B


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