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黒色矮星 (kokushokuwaisei) Japanese meaning: black dwarf | Kotomora
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A black dwarf is thought to be the state of a white dwarf after it has completely cooled down.
Given the age of the universe, it is believed that no black dwarfs exist yet.
Related words 白はく 色しょく 矮わい 星せい A white dwarf is a hot, dense stellar remnant that still emits light; a black dwarf is the hypothetical end state after it cools.
中ちゅう 性せい 子し 星せい A neutron star is a different type of stellar remnant, much denser than a white dwarf, formed from a supernova.
Written forms 黒こく 色しょく 矮わい 星せい
Standard kanji spelling for this astronomical term.
黒こく 色しょく わい 星せい
Mixed kanji-kana spelling; 矮 is a non-jōyō kanji, so this form may be used for readability.
Etymology From 黒色 (kokushoku, 'black color') + 矮星 (waisei, 'dwarf star'). A calque of English 'black dwarf'.
