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Author Question: The rapid rotation in the outer disk suggests that our galaxy is more massive than previously ... (Read 63 times)

stephzh

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

True

Answer to Question 2

b


stephzh

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Reply 2 on: Jul 27, 2018
Wow, this really help

Viet Thy

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Reply 3 on: Yesterday
Excellent

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