"Gunn-Peterson trough" meaning in English

See Gunn-Peterson trough in All languages combined, or Wiktionary

Noun

Forms: Gunn-Peterson troughs [plural]
Etymology: From the theoreticians who predicted this effect, astronomers James E. Gunn and Bruce Peterson, which creates a lack of radiation at a span of wavelengths. Head templates: {{en-noun}} Gunn-Peterson trough (plural Gunn-Peterson troughs)
  1. A feature in astronomical spectrometry of distant light, caused by the Reionization Era's absorption of UV light, leaving a gap in the spectrum. Wikipedia link: James E. Gunn (astronomer), en:Gunn-Peterson trough Coordinate_terms: Lyman-alpha forest, Reionization Era, Era of Reionization, Reionization Epoch, Epoch of Reionization
    Sense id: en-Gunn-Peterson_trough-en-noun-DWYnhUhN Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries

Inflected forms

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          "word": "Reionization Era"
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          "word": "Era of Reionization"
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          "word": "Reionization Epoch"
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        "A feature in astronomical spectrometry of distant light, caused by the Reionization Era's absorption of UV light, leaving a gap in the spectrum."
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{
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      "word": "Lyman-alpha forest"
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    {
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    },
    {
      "word": "Era of Reionization"
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    {
      "word": "Reionization Epoch"
    },
    {
      "word": "Epoch of Reionization"
    }
  ],
  "etymology_text": "From the theoreticians who predicted this effect, astronomers James E. Gunn and Bruce Peterson, which creates a lack of radiation at a span of wavelengths.",
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        "A feature in astronomical spectrometry of distant light, caused by the Reionization Era's absorption of UV light, leaving a gap in the spectrum."
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-01-06 from the enwiktionary dump dated 2025-01-01 using wiktextract (f889f65 and 8fbd9e8). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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