最終更新日：2024/08/08

(astronomy, physics) A unit of length equal to the distance light travels in one millisecond: approximately 300 kilometers

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milli-light second

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元となった辞書の項目

milli-light second

noun

(astronomy, physics) A unit of length equal to the distance light travels in one millisecond: approximately 300 kilometers

The distance between the Earth and the Moon is about 1.3 milli-light seconds.

意味（1）

(astronomy, physics) A unit of length equal to the distance light travels in one millisecond: approximately 300 kilometers