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Author Question: Which of the following statements is true of the spectral sequence? A) It is classified in groups ... (Read 50 times)

ec501234

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on: Jul 27, 2018
Which of the following statements is true of the spectral sequence?
 
  A) It is classified in groups labeled A through Q.
  B) M stars are cooler and fainter than L dwarfs.
  C) Y dwarfs are a class of objects with temperatures above 500 K.
  D) O stars are the hottest, and M stars are the coolest.

Question 2

In the context of main-sequence stars, which of the following statements is true of a mass-luminosity relation?
 
  A) The main-sequence stars in a Hertzsprung-Russell diagram are not ordered according to their masses.
  B) The lowest-mass stars are the hottest and brightest main-sequence stars.
  C) It is followed by giants, supergiants, and white dwarfs.
  D) The more massive a star is, the more luminous it is.


ngr69

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

D

Answer to Question 2

D


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