Last Updated
：2025/12/05
Gunn-Peterson troughs
Noun
form-of
plural
Japanese Meaning
『ガン・ピーターソン・トラフ』の複数形。宇宙論や天文学において、特にクエーサーのスペクトル中に見られる、中性水素によるLyman-α吸収が原因で生じる広範な吸収帯を指す用語。
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plural of Gunn-Peterson trough
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Gunn-Peterson troughs
Observations of distant quasars revealed deep Gunn-Peterson troughs, indicating significant amounts of neutral hydrogen in the early universe.
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Observations of distant quasars revealed deep Gunn-Peterson troughs, indicating significant amounts of neutral hydrogen in the early universe.
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