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Holodna pastka ce koncepciya planetoznavstva yaka opisuye teritoriyu dostatno holodnu dlya zamorozhuvannya ulovlyuvannya letkih rechovin en Holodni pastki mozhut isnuvati na poverhni bezpovitryanih til abo u verhnih sharah adiabatichnoyi atmosferi Na bezpovitryanih tilah lid zahoplenij holodnimi pastkami potencijno mozhe zalishatisya tam protyagom geologichnih periodiv chasu dozvolyayuchi nam zazirnuti v pervisnu Sonyachnu sistemu U adiabatichnih atmosferah holodni pastki zapobigayut vihodu letkih rechovin napriklad vodi z atmosferi v kosmos Zmist 1 Holodni pastki na bezpovitryanih planetarnih tilah 1 1 Vivchennya holodnih pastok na bezpovitryanih tilah 2 Atmosferni holodni pastki 3 PrimitkiHolodni pastki na bezpovitryanih planetarnih tilah red nbsp Na dno kratera Prokof yev en poblizu pivnichnogo polyusa Merkuriya nikoli ne potraplyaye sonyachne svitlo Nahil osi deyakih bezpovitryanih planetnih til u Sonyachnij sistemi takih yak Merkurij Misyac i Cerera duzhe blizkij do nulya Garold Yuri vpershe zaznachiv sho zapadini abo krateri roztashovani poblizu polyusiv cih til vidkidayut stijki tini yaki mozhut zberigatisya protyagom geologichnih periodiv chasu miljoni milyardi rokiv 1 Vidsutnist atmosferi zapobigaye peremishuvannyu shlyahom konvekciyi sho robit ci tini nadzvichajno holodnimi 2 Yaksho molekuli letkih rechovin takih yak voda potraplyayut u ci postijni tini voni potraplyat u pastku na geologichni periodi chasu 3 Vivchennya holodnih pastok na bezpovitryanih tilah red Oskilki ci tini ne otrimuyut insolyaciyi bilsha chastina tepla yake voni otrimuyut rozsiyuyetsya ta viprominyuyetsya navkolishnim relyefom Zazvichaj mozhna znehtuvati gorizontalnoyu teploprovidnistyu vid susidnih teplih oblastej cherez visoku poristist i otzhe nizku teploprovidnist verhnih shariv bezpovitryanih til Tomu mozhna modelyuvati temperaturu cih postijnih tinej za dopomogoyu algoritmiv rej kastingu abo trasuvannya promeniv u poyednanni z odnovimirnimi modelyami vertikalnoyi teploprovidnosti 4 2 U deyakih vipadkah napriklad u chashopodibnih kraterah mozhna otrimati viraz dlya rivnovazhnoyi temperaturi cih tinej 5 Krim togo temperaturi i otzhe stabilnist holodnih pastok mozhut distancijno vimiryuvatisya orbitalnim aparatom Temperaturi misyachnih holodnih pastok buli detalno vivcheni radiometrom Diviner en zi skladu Lunar Reconnaissance Orbiter 6 Na Merkuriyi dokazi nayavnosti vidkladen lodu vseredini holodnih pastok buli otrimani za dopomogoyu radara 7 reflektometriyi 8 9 ta vidimih zobrazhen 10 Na Cereri kosmichnij korabel Dawn viyaviv holodni pastki 11 Atmosferni holodni pastki red U doslidzhennyah atmosferi en holodna pastka ce shar atmosferi yakij znachno holodnishij za nizhchi ta vishi shari Napriklad dlya troposferi Zemli temperatura povitrya padaye zi zbilshennyam visoti dosyagayuchi najnizhchoyi tochki priblizno na visoti 20 kilometriv Cyu oblast nazivayut holodnoyu pastkoyu oskilki vona zatrimuye vishidni gazi z visokimi temperaturami kipinnya zmushuyuchi yih padati nazad na Zemlyu 12 Deyaki astronomi vvazhayut sho cherez vidsutnist holodnoyi pastki Venera ta Mars vtratili bilshu chastinu ridkoyi vodi na pochatku svoyeyi istoriyi 13 Holodna pastka Zemli roztashovana na visoti priblizno 12 km nad rivnem morya sho znachno nizhche visoti na yakij vodyana para ostatochno rozdililasya b na voden i kisen sonyachnimi ultrafioletovimi promenyami a voden nezvorotno vtrachavsya b u kosmosi 14 15 Cherez holodnu pastku v zemnij atmosferi Zemlya faktichno vtrachaye vodu v kosmos zi shvidkistyu lishe 1 milimetra okeanu kozhni 1 miljon rokiv sho nadto povilno shob vplinuti na zmini rivnya morya v bud yakomu chasovomu masshtabi aktualnomu dlya lyudini Z takoyu shvidkistyu znadoblyatsya triljoni rokiv nabagato bilshe nizh ochikuvana trivalist zhittya Zemli shob usya yiyi voda znikla ce takozh te chomu cherez klimatichni zmini sprichineni lyudinoyu ekstremalni pogodni yavisha taki yak uragani ta poveni posilyatsya najblizhchim chasom termin oskilki bilsh tepla atmosfera mozhe utrimuvati bilshe vologi i otzhe zbilshiti kilkist zaznachenoyi vodyanoyi pari sho povertayetsya u viglyadi opadiv oskilki navit todi holodna pastka vse odno zapobigatime vtrati vodyanoyi pari u kosmos i tomu atmosfera Zemli vse she zanadto holodna shob ce stalosya hocha ostatochne nagrivannya Soncya v miru jogo starinnya lishe poslabit holodnu pastku protyagom nastupnih milyardiv rokiv zrobivshi zemnu atmosferu she teplishoyu sho shtovhaye holodnu pastku she vishe v atmosferu a otzhe sprichinyayuchi vtratu zdatnosti zapobigti disociaciyi vodyanoyi pari na voden i kisen pid diyeyu ultrafioletovih promeniv Soncya ta vihodu vodnyu u kosmos cherez sho Zemlya ostatochno vtratit svoyi okeani v kosmos priblizno za 1 milyard rokiv zadovgo do togo yak Sonce nareshti peretvoryuyetsya na chervonogo giganta 16 Yak zaznachayut Piter Uord en i Donald Braunli en u svoyij knizi Zhittya i smert planeti Zemlya en potochnij proces faktichnoyi vtrati okeaniv buv zadokumentovanij lishe dvichi vpershe pid chas misiyi Apollon 16 na Misyac hocha vipadkovo koli astronavti sposterigali za Zemleyu za dopomogoyu unikalnoyi kameri Carruthers en yaka bula stvorena ta vikoristana lishe odin raz dlya ciyeyi konkretnoyi misiyi oskilki takij proces mozhna sposterigati lishe v ultrafioletovomu svitli ta lishe z Misyacya cherez vidsutnist atmosferi yaka blokuvala b ultrafioletove svitlo a takozh u 1990 h za dopomogoyu doslidzhen astronavtiv zroblenih pid chas perebuvannya na bortu kosmichnogo chovnika Suputnik Saturna Titan maye duzhe slabku holodnu pastku yaka zdatna zatrimati lishe chastinu jogo atmosfernogo metanu 17 Takim chinom pripuskayetsya sho Titan ye najblizhchim analogom togo yak viglyadatime zemna atmosfera koli zemna holodna pastka vijde z ladu z metanom zamist vodi ta vuglevodnevimi produktami fotohimichnih reakcij zamist kisnyu j ozonu 18 Vvazhayetsya sho holodni pastki pracyuyut dlya kisnyu na Ganimedi 19 Primitki red Lucey P G 2009 The Poles 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