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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Definitions:

Aortic Arch

The curved portion of the aorta, the major artery in the body, from which the head, neck, and upper limb arteries originate.

Right Subclavian Artery

A major artery that supplies blood to the right arm and the right side of the neck and head.

Brachiocephalic Trunk

A major artery in the upper body that supplies blood to the right arm and the head and neck.

Inferior End

The lowermost part or section of a structure or organ.