enormous Lyman-alpha nebula
English
Etymology
From enormous + Lyman alpha + nebula. From being a nebula with Lyman-alpha emissions that is larger than galaxies.
Noun
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
(abbreviation)
- ELAN
- ELαN
- ELyαN
Hypernyms
- luminous nebula
- emission nebula
- nebula
- intergalactic cloud
- gas cloud
Derived terms
(abbreviation)
- ELAN
- ELαN
- ELyαN
Related terms
- Lyman-alpha blob / LAB / LαB / LyαB
- Lyman-alpha line / Ly-α line
- Lyman-alpha / Ly-α
- Lyman series / Ly-series / Ly series