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Kotomora

宇う宙ちゅう線せんシャワー

う
ちゅ
う
せ
ん
シャ
ワ
ー

Meanings

1

noun

cosmic-ray shower; air shower

Technical term in physics for a cascade of secondary particles produced when a high-energy cosmic ray interacts with the atmosphere.

See also: 空気シャワー