Origin and stability of lunar polar volatilesстатья
Информация о цитировании статьи получена из
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Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:Temperature regime at the LCROSS impact site is studied. All detected species in the Cabeus crater as well as CH4 and CO clathrate
hydrates except H2, CO, and CH4 are stable against evaporation at the LCROSS impact site. CO and CH4 can be chemisorbed at the
surface of the regolith particles and exist in the form of clathrate hydrates in the lunar cold traps. Flux rates of delivery of volatile species
by asteroids, micrometeoroids, O-rich, C-rich, and low-speed comets into the permanently shadowed regions are estimated. Significant
amounts of H2O, CO, H2, H2S, SO2, and CO2 can be impact-produced during collisions between asteroids and O-rich comets with the
Moon while CH3OH, NH3 and complex organic species survive during low-speed comet impacts as products of disequilibrium processes.
C-rich comets are main sources of CH4, and C2H4.