Gunn-Peterson trough
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English
[edit]Etymology
[edit]From the theoreticians who predicted this effect, astronomers James E. Gunn and Bruce Peterson, which creates an lack of radiation at a span of wavelengths.
Noun
[edit]Gunn-Peterson trough (plural Gunn-Peterson troughs)
- A feature in astronomical spectrometry of distant light, caused by the Reionization Era's absorption of UV light, leaving a gap in the spectrum.