Energy sources for Triton's geyser-like plumes

Details Energy sources for Triton's geyser-like plumes Energy sources for Triton's geyser-like plumes

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sci...250..431b&link_type=abstract

Science (ISSN 0036-8075), vol. 250, Oct. 19, 1990, p. 431-435.

Other

20

Geysers, Planetary Geology, Planetary Meteorology, Satellite Atmospheres, Triton, Atmospheric Models, Greenhouse Effect, Insolation, Solid Nitrogen

Scientific paper

Four geyser-like plumes were discovered near Triton's south pole in areas now in permanent sunlight. Because Triton's southern hemisphere is nearing a maximum summer solstice, insolation as a driver or a trigger for Triton's geyser-like plumes is an attractive hypothesis. Trapping of solar radiation in a translucent, low-conductivity surface layer (in a solid-state greenhouse), which is subsequently released in the form of latent heat of sublimation, could provide the required energy. Both the classical solid-state greenhouse consisting of exponentially absorbed insolation in a gray, translucent layer of solid nitrogen, and the 'super' greenhouse consisting of a relatively transparent solid-nitrogen layer over an opaque, absorbing layer are plausible candidates. Geothermal heat may also play a part if assisted by the added energy input of seasonal cycles of insolation.

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