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Meaning of enormous Lyman-alpha nebula | Babel Free

Noun CEFR C1

Definitions

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).

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
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