What Will Be the Intrinsic Brightness or Luminosity of a White

question 123

Multiple Choice

What will be the intrinsic brightness or luminosity of a white dwarf star that has the same temperature as the Sun? (See Figure 10-7,Comins,Discovering the Universe,6th ed.)

• A) 4 times the Sun's luminosity
• B) Because it has the same surface temperature, the white dwarf will have the same brightness.
• C) 10-² of the Sun's luminosity
• D) 10-⁴ of the Sun's luminosity

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