光年

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Contents

Japanese [edit]

Kanji in this term

Etymology [edit]

/kwaunen/ > /kwoːnen/ > /koːnen/.

Pronunciation [edit]

  • IPA: [koːnen]

Counter [edit]

光年 (hiragana こうねん, romaji kōnen, historical hiragana くゎうねん)

  1. a unit of length equivalent to the distance that light travels in a year; a light year
    宇宙直径は約930億光年だ。
    うちゅうのちょっけいはやく930おくこうねんだ。
    Uchū no chokkei wa yaku 930 oku kōnen da.
    The diameter of the universe is some ninety-three billion light years.