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)

1. (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