enormous Lyman-alpha nebula

English

Etymology

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

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