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褐色矮星 (kasshokuwaisei) Japanese meaning: brown dwarf | Kotomora

褐かっ色しょく矮わい星せい

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Meanings

1

brown dwarf

Astronomy term for a substellar object that is not massive enough to sustain hydrogen fusion.

褐かっ色しょく矮わい星せいは恒こう星せいと惑わく星せいの中ちゅう

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A brown dwarf is a celestial body intermediate between a star and a planet.

Kanji

褐brown, woollen kimono
色color
矮low, short
星star, spot, dot

Related words

恒こう星せい
恒星 is a star that sustains hydrogen fusion, while 褐色矮星 is a substellar object that cannot sustain fusion.
惑わく星せい
惑星 is a planet, which orbits a star and does not produce its own energy through fusion, unlike a brown dwarf which may have limited deuterium fusion.

Built from

褐かっ色しょく+矮わい星せい

Written forms

褐かっ色しょく矮わい星せい
Standard kanji spelling for 'brown dwarf'.
褐かっ色しょくわい星せい
Mixed kanji-kana spelling; less common but still used.

Etymology

褐色 (brown) + 矮星 (dwarf star). A calque of English 'brown dwarf'.