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Author Question: The rotation curve of a galaxy can be used to determine a. the relative number of hot young stars ... (Read 89 times)

luvbio

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on: Jul 27, 2018
The rotation curve of a galaxy can be used to determine
 
  a. the relative number of hot young stars in the galaxy.
  b. the relative amount of gas and dust in the galaxy.
  c. the radius of the galaxy.
  d. the luminosity of the galaxy.
  e. the mass of the galaxy.

Question 2

More massive stars have more weight to support, so these stars are more luminous.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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apple

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

e

Answer to Question 2

True


luvbio

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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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