LATENT REFERENCES / TAG2
300,000 Kilometers per Second
Original title: 秒速30万キロメートル
This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Physics. The note preserves its source text and links so that readers can trace the material behind the 3D map.
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Light travels at approximately 300,000 kilometers per second. This means it covers approximately 300,000 kilometers in 1 second. As an analogy, it could circle Earth 7 and a half times in 1 second. The distance light reaches over 1 year is called “1 light-year.”
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光の速さは、秒速約30万キロメートルです。 これは、1秒間に約30万キロメートルの距離を進むことを意味します。 例えて言うと、1秒間で地球を7周半もしてしまう速度です。 光が1年をかけて到達する距離のことを「1光年（こうねん）」と呼びます。
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Source updated 2024-10-04 · Snapshot 2026-10-08
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- NeutrinoComputed lexical cosine similarity 0.101 · shared title, text, tags and references