White Dwarf
柯林斯詞典
1. N one of a large class of small faint stars of enormous density (on average 108 kg/m3) with diameters only about 1 per cent that of the sun, and masses less than the Chandrasekhar limit (about 1.4 solar masses). It is thought to mark the final stage in the evolution of a sun-like star 白矮星
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