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Author Question: Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram? A) mass on ... (Read 86 times)

leo leo

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on: Jul 27, 2018
Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram?
 
  A) mass on the horizontal axis and luminosity on the vertical axis
  B) surface temperature on the horizontal axis and luminosity on the vertical axis
  C) mass on the horizontal axis and stellar age on the vertical axis
  D) interior temperature on the horizontal axis and mass on the vertical axis
  E) surface temperature on the horizontal axis and radius on the vertical axis

Question 2

Which of the following statements about scientific models is true?
 
  A) A model can be used to explain and predict real phenomena.
  B) All current models are correct.
  C) A model tries to represent all aspects of nature.
  D) A model tries to represent only one aspect of nature.
  E) All models that explain nature well are correct.


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cat123

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

B

Answer to Question 2

A


leo leo

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


cat123

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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