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Author Question: The rapid rotation in the outer disk suggests that our galaxy is more massive than previously ... (Read 81 times)

stephzh

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The rapid rotation in the outer disk suggests that our galaxy is more massive than previously thought.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

If in a gas the opacity is high, then energy transport is by _____________.
 
  a. conduction b. convection
  c. radiation d. All of the other choices are correct.



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Sierray

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Answer to Question 1

True

Answer to Question 2

b




stephzh

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Reply 2 on: Jul 27, 2018
Gracias!


billybob123

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Reply 3 on: Yesterday
Wow, this really help

 

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