enormous Lyman-alpha nebula
English edit
Etymology edit
enormous + Lyman alpha + nebula. From being a nebula with Lyman-alpha emissions that is larger than galaxies.
Noun edit
enormous Lyman-alpha nebula (plural enormous Lyman-alpha nebulas)
- (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).
Synonyms edit
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Hypernyms edit
Derived terms edit
(abbreviation)
Related terms edit
- Lyman-alpha blob / LAB / LαB / LyαB
- Lyman-alpha line / Ly-α line
- Lyman-alpha / Ly-α
- Lyman series / Ly-series / Ly series