swamp gas

Significado (Inglés)

1. Gases emitted from a swamp.
2. (colloquial) Hydrogen sulfide.
3. A skeptical explanation that is provided in order to debunk a UFO sighting that a believer regards as ludicrous, illogical or disingenuous.

Sinónimos

hydrogen sulfide

hydrogen sulphide

methane

rotten egg gas

Traducións

Sumpfgas

Schwefelwasserstoff

hydrogène sulfuré

gaz des marais

sulfure d'hydrogène

waterstofsulfide

sulfuro de hidrógeno

غاز المستنقعات

gas de pantanos

Etimoloxía (Inglés)

* (hydrogen sulfide): So called because it is often emitted from wetlands such as swamps as a result of anaerobic bacteria, and is responsible for their foul “rotten egg” odor.
* (ufology): An explanation given by then-skeptic J. Allen Hynek for an alleged UFO sighting in Michigan near Lake Huron in 1966.