Speakur

Word Pronunciation & Dictionary

gunn-peterson trough

Word Rarity Rare

Frequency: Zipf frequency 2.97 in modern English

Syllables
gun-n-peter-son- trough
IPA
25
Scrabble Score
18
Letters
5
Syllables
10
Unique Chars

Meaning

noun

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

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.

Inflected Forms

Gunn-Peterson troughs (plural)

Frequently Paired Words

Lyman-alpha forest Reionization Era Era of Reionization Reionization Epoch Epoch of Reionization

Questions

What does gunn-peterson trough mean?
A feature in astronomical spectrometry of distant light, caused by the Reionization Era's absorption of UV light, leaving a gap in the spectrum.
Where does gunn-peterson trough come from?
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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