Last Updated
：2025/12/07
Doppler broadening
IPA(Pronunciation)
Noun
Japanese Meaning
ドップラー効果によって、対象物内部の原子や分子が運動するために発生する、スペクトル線の幅が広がる現象。 / 高温または急速に回転する天体などで、原子や分子の速度によりスペクトル線が赤方偏移および青方偏移し、その結果として線幅が拡大する物理現象。
Quizzes for review
(physics) The broadening of the spectral lines of a high-temperature or rapidly-rotating object due to redshifting of spectral lines from atoms and molecules moving away from the observer and blueshifting of spectral lines from atoms and molecules moving toward the observer.
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Doppler broadening
Doppler broadening in the star's spectrum made it difficult to resolve individual absorption lines.
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Doppler broadening in the star's spectrum made it difficult to resolve individual absorption lines.
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