| 单词 | white dwarf star | 
| 释义 | white dwarf star [`wīt ¦dwȯrf `stär]  ASTRONOMY An intrinsically faint star of very small radius and high density; the mass is about 0.6 that of the sun and the average radius is about 5000 miles (8000 kilometers); it is one final stage of stellar evolution with thermonuclear energy sources extinct.  | 
	
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