Last Updated：2025/11/20

(astronomy) An energetic particle originating outside our solar system. / (astronomy) Cosmic radiation: a stream of cosmic rays.

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cosmic ray

Source Word

cosmic ray

(astronomy) An energetic particle originating outside our solar system. / (astronomy) Cosmic radiation: a stream of cosmic rays.

Japanese Meaning

太陽系外から飛来する高エネルギー粒子（宇宙線） / 宇宙線：宇宙空間から降り注ぐ高エネルギーの粒子の流れ

A cosmic ray knocked out a small section of the spacecraft's electronics during the deep-space mission.

深宇宙ミッション中、宇宙線が宇宙船の電子機器の一部を故障させた。

Sense（1）

(astronomy) An energetic particle originating outside our solar system.

Sense（2）

(astronomy) Cosmic radiation: a stream of cosmic rays.

cosmic rays

（ plural ）