enormous Lyman-alpha nebula
Meanings
noun
- 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).
Word forms
Etymology
From enormous + Lyman alpha + nebula. From being a nebula with Lyman-alpha emissions that is larger than galaxies.
Synonyms
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