Last Updated
：2025/12/04
enormous Lyman-alpha nebula
Noun
Japanese Meaning
銀河よりも大きい巨大なライマンα星雲。銀河間空間に存在する、放射スペクトルに2.47THzのライマンα線を含むガス雲。
（ plural ）
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(astronomy) A large gas cloud (nebula) larger than galaxies, found in intergalactic space, which radiates with an emission spectrum containing 2.47 THz lines (Lyman-alpha lines).
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enormous Lyman-alpha nebula
Astronomers were astonished when they discovered an enormous Lyman-alpha nebula surrounding a group of young galaxies at the edge of the survey.
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Astronomers were astonished when they discovered an enormous Lyman-alpha nebula surrounding a group of young galaxies at the edge of the survey.
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