What are the key physical characteristics of a white dwarf?
Answer
It is an incredibly dense object with a size roughly comparable to Earth
After the red giant phase concludes and the outer layers are ejected, the remaining core collapses to form a white dwarf. Although this object is roughly the size of Earth, it retains a significant fraction of the star's original mass, resulting in extreme density. Over billions of years, it gradually radiates away its remaining heat.
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