Last Updated
：2026/01/08
宇宙背景放射
Hiragana
うちゅうはいけいほうしゃ
Noun
Japanese Meaning
宇宙全体に一様に満ちている微弱な電磁波。特にビッグバンの名残とされるマイクロ波領域の放射を指す。 / ビッグバン宇宙論において、初期宇宙の高温高密度状態が冷却・膨張した結果として現在観測される背景放射。 / 宇宙のあらゆる方向からほぼ同じ強度で観測される放射で、宇宙の起源や進化を調べるための重要な観測対象。
Easy Japanese Meaning
うちゅうのはじまりのころのひかりが、いまもよわくのこっていること。うちゅうのどこでもほとんどおなじにある。
Chinese (Simplified) Meaning
充满整个宇宙的微弱电磁辐射 / 源自大爆炸早期、均匀弥散的背景辐射 / 尤指宇宙微波背景辐射
Chinese (Traditional) Meaning
充滿整個宇宙的微弱背景輻射 / 大爆炸遺留下的近乎均勻的宇宙輻射（尤指宇宙微波背景） / 來自各方向的背景電磁輻射
Korean Meaning
우주 전역에 존재하는 미약한 배경 복사 / 빅뱅의 흔적으로 남은 복사 / 우주 마이크로파 배경복사
Indonesian
radiasi latar kosmik / radiasi latar belakang kosmik / radiasi latar belakang alam semesta
Vietnamese Meaning
bức xạ nền vũ trụ / phông bức xạ vũ trụ / bức xạ nền của vũ trụ
Tagalog Meaning
kosmikong likurang radyasyon / radyasyong likuran ng sansinukob / kosmikong mikro-alon na likurang radyasyon
Sense（1）
(astronomy) cosmic background radiation
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
宇宙背景放射
See correct answer
Cosmic background radiation is considered evidence of the Big Bang.
Cosmic background radiation is considered evidence of the Big Bang.
See correct answer
宇宙背景放射は、ビッグバンの証拠とされています。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
