Last Updated
：2025/11/21
light-year
Noun
alt-of
alternative
Japanese Meaning
光年：光が1年間に進む距離を表す単位。なお、‘light-year’ は ‘light year’ の別表記です。
Sense（1）
（ plural ）
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Alternative spelling of light year
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light-year
A light-year is a convenient unit astronomers use to describe distances between stars.
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A light-year is a convenient unit astronomers use to describe distances between stars.
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