The One Characteristic Shared by All Solitary White Dwarfs Is

question 54

Multiple Choice

The one characteristic shared by all solitary white dwarfs is that they:

• A) have stopped generating thermonuclear energy but continue to shrink, thereby releasing gravitational energy as heat.
• B) have never generated either thermonuclear or gravitational energy but are slowly cooling after their production in a supernova explosion.
• C) are generating thermonuclear energy but are maintaining a constant radius and hence are not releasing gravitational energy.
• D) have ceased to generate energy by thermonuclear processes or gravitational contraction and are slowly cooling down.

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