Last Updated
：2026/01/08
宇宙線
Hiragana
うちゅうせん
Noun
Japanese Meaning
宇宙空間を飛び交い、地球大気にも飛び込んでくる高エネルギーの放射線。主に高エネルギーの陽子や原子核から成り、天体現象や銀河・太陽などから放出される。 / 天文学・宇宙物理学・高エネルギー物理学などで研究対象となる、宇宙起源の高エネルギー粒子線の総称。
Easy Japanese Meaning
うちゅうからちきゅうにとどくとてもつよいみえないつぶやひかりのことです
Chinese (Simplified) Meaning
来自宇宙空间的高能粒子辐射 / 由太阳、超新星等天体发出的高速带电粒子，抵达地球大气
Chinese (Traditional) Meaning
來自外太空的高能粒子（如質子、原子核） / 來自太陽或銀河系外的高能輻射
Korean Meaning
우주에서 기원해 지구 대기권으로 들어오는 고에너지 입자 / 천체에서 방출되어 우주에 퍼지는 고에너지 방사선
Indonesian
sinar kosmik / radiasi kosmik
Vietnamese Meaning
tia vũ trụ / bức xạ năng lượng cao từ ngoài không gian
Tagalog Meaning
kosmikong sinag / mataas-enerhiyang radyasyon o mga partikulong mula sa kalawakan na tumatama sa Daigdig
Sense（1）
(astronomy, physics) cosmic ray
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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宇宙線
See correct answer
The study of cosmic rays may hold the key to unraveling the mysteries of the universe.
The study of cosmic rays may hold the key to unraveling the mysteries of the universe.
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宇宙線の研究は、宇宙の謎を解き明かす鍵となる可能性があります。
Japanese - English
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