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Meaning of Gunn-Peterson trough | Babel Free

Noun CEFR B2

Definitions

A feature in astronomical spectrometry of distant light, caused by the Reionization Era's absorption of UV light, leaving a gap in the spectrum.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

gunna gunnade gunnage Gunnar Gunned Gunnedah

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