{"id":640,"date":"2026-01-18T02:59:06","date_gmt":"2026-01-18T02:59:06","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=640"},"modified":"2026-01-18T02:59:06","modified_gmt":"2026-01-18T02:59:06","slug":"frozen-clay-deposits-mars-south-pole","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/planetary-exploration\/frozen-clay-deposits-mars-south-pole\/","title":{"rendered":"Fagyott agyagtavak rejt\u0151znek a Mars d\u00e9li p\u00f3lusa alatt"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>A Mars felsz\u00edn alatti \u201etavai\u201d fagyott agyaglerak\u00f3d\u00e1sok lehetnek<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\"><strong>Foly\u00e9kony v\u00edz keres\u00e9se a Marson<\/strong><\/h3>\n\n<p>A m\u00faltbeli \u00e9let nyomai ut\u00e1n kutatva a Marson sz\u00e1mos tanulm\u00e1ny foglalkozik azzal, hogy a bolyg\u00f3n m\u00e9g mindig tal\u00e1lhat\u00f3-e foly\u00e9kony v\u00edz. Az elm\u00falt \u00e9vekben t\u00f6bb kutat\u00e1s is arra utalt, hogy foly\u00e9kony v\u00edz rejt\u0151zhet a j\u00e9gr\u00e9tegek alatt a marsi d\u00e9li p\u00f3lusn\u00e1l.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Felsz\u00edn alatti tavak radaros \u00e9szlel\u00e9se<\/strong><\/h3>\n\n<p>A foly\u00e9kony v\u00edz egyik legmeggy\u0151z\u0151bb bizony\u00edt\u00e9ka a Mars Express \u0171rszond\u00e1n tal\u00e1lhat\u00f3 MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) radar adatai k\u00f6z\u00f6tt szerepel. A radar er\u0151s \u00e9s f\u00e9nyes jeleket \u00e9szlelt a bolyg\u00f3 belsej\u00e9b\u0151l, amit \u00e1ltal\u00e1ban v\u00edz jelenl\u00e9t\u00e9vel magyar\u00e1znak.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Probl\u00e9m\u00e1k a foly\u00e9kony v\u00edz hipot\u00e9zis\u00e9vel<\/strong><\/h3>\n\n<p>A Mars azonban rendk\u00edv\u00fcl hideg bolyg\u00f3, az \u00e1tlagh\u0151m\u00e9rs\u00e9klet m\u00ednusz 63 Celsius-fok. Ez felveti a k\u00e9rd\u00e9st: hogyan maradhat foly\u00e9kony \u00e1llapotban a v\u00edz ilyen extr\u00e9m k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt? Egyes tud\u00f3sok szerint a v\u00edz nagy mennyis\u00e9g\u0171 s\u00f3t tartalmazhat, vagy geotermikus aktivit\u00e1s meleg\u00edtheti, de a sz\u00e1m\u00edt\u00e1sok szerint egyik lehet\u0151s\u00e9g sem val\u00f3sz\u00edn\u0171 a d\u00e9li p\u00f3lus t\u00e9rs\u00e9g\u00e9ben.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Alternat\u00edv magyar\u00e1zat: fagyott agyaglerak\u00f3d\u00e1sok<\/strong><\/h3>\n\n<p>A Geophysical Research Letters foly\u00f3iratban megjelent \u00faj tanulm\u00e1ny alternat\u00edv magyar\u00e1zattal szolg\u00e1l: a MARSIS \u00e1ltal detekt\u00e1lt f\u00e9nyes radarjeleket nem foly\u00e9kony v\u00edz, hanem fagyott agyaglerak\u00f3d\u00e1sok, az \u00fagynevezett szmektitek okozz\u00e1k. A szmektitek olyan agyag\u00e1sv\u00e1nyok, amelyek vulk\u00e1ni k\u0151zetek \u00e9s v\u00edz k\u00f6lcs\u00f6nhat\u00e1sakor keletkeznek, \u00e9s jelent\u0151s mennyis\u00e9g\u0171 vizet k\u00e9pesek megk\u00f6tni szerkezet\u00fckben.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Bizony\u00edt\u00e9kok szmektitek jelenl\u00e9t\u00e9re a Marson<\/strong><\/h3>\n\n<p>A kutat\u00f3k laborban vizsg\u00e1lt\u00e1k a szmektiteket, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy radarvisszaver\u0151 k\u00e9pess\u00e9g\u00fck hasonl\u00f3 a MARSIS-jelekre, m\u00e9g akkor is, ha m\u00e1s anyagokkal keverednek. A marsi d\u00e9li p\u00f3lus k\u00f6rny\u00e9k\u00e9r\u0151l sz\u00e1rmaz\u00f3 l\u00e1that\u00f3-f\u00e9nyes \u00e9s infrav\u00f6r\u00f6s adatok elemz\u00e9se ut\u00e1n agyag\u00e1sv\u00e1nyok \u2013 k\u00f6zt\u00fck szmektitek \u2013 nyomaira bukkantak.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>K\u00f6vetkezm\u00e9nyek a Mars meg\u00e9rt\u00e9s\u00e9ben<\/strong><\/h3>\n\n<p>A szmektitek felfedez\u00e9se \u00e1rnyalja a bolyg\u00f3 t\u00f6rt\u00e9net\u00e9r\u0151l \u00e9s lakhat\u00f3s\u00e1gi potenci\u00e1lj\u00e1r\u00f3l alkotott k\u00e9pet. Az agyag\u00e1sv\u00e1nyok jelenl\u00e9te arra utal, hogy a marsi d\u00e9li p\u00f3lus egykor el\u00e9g meleg volt ahhoz, hogy foly\u00e9kony v\u00edz l\u00e9tezhessen. Id\u0151vel az agyagot j\u00e9g fedte be, \u00e9s fagyott \u00e1llapot\u00e1ban meg\u0151rz\u0151d\u00f6tt.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>J\u00f6v\u0151beli kutat\u00e1sok<\/strong><\/h3>\n\n<p>A szmektitek jelenl\u00e9t\u00e9nek meger\u0151s\u00edt\u00e9s\u00e9hez \u00e9s a felsz\u00edn alatti lerak\u00f3d\u00e1sok term\u00e9szet\u00e9nek pontos megismer\u00e9s\u00e9hez olyan fejlett m\u0171szerekre van sz\u00fcks\u00e9g, amelyek k\u00f6zvetlen\u00fcl k\u00e9pesek mint\u00e1kat venni. A j\u00f6v\u0151beli kutat\u00e1sok c\u00e9lja a marsi agyag\u00e1sv\u00e1nyok sokf\u00e9les\u00e9g\u00e9nek felt\u00e9rk\u00e9pez\u00e9se \u00e9s szerep\u00fck vizsg\u00e1lata a bolyg\u00f3 geol\u00f3giai folyamataiban.<\/p>\n\n<h3 class=\"wp-block-heading\"><strong>A marsi felsz\u00edn alatti r\u00e9tegek felt\u00e1r\u00e1sa<\/strong><\/h3>\n\n<p>A foly\u00e9kony v\u00edz \u00e9s a lakhat\u00f3 k\u00f6rnyezetek bizony\u00edt\u00e9kainak kutat\u00e1sa tov\u00e1bbra is a bolyg\u00f3kutat\u00e1s egyik f\u0151 c\u00e9lja. A d\u00e9li p\u00f3lus felsz\u00edn alatti lerak\u00f3d\u00e1sainak tanulm\u00e1nyoz\u00e1s\u00e1val a tud\u00f3sok rem\u00e9nyei szerint pontosabb k\u00e9pet kaphatnak a Mars m\u00faltj\u00e1r\u00f3l \u00e9s jelen\u00e9r\u0151l, valamint arr\u00f3l, hogy a v\u00f6r\u00f6s bolyg\u00f3 valaha is t\u00e1mogathatta-e az \u00e9letet.<\/p>","protected":false},"excerpt":{"rendered":"<p>A Mars felsz\u00edn alatti \u201etavai\u201d fagyott agyaglerak\u00f3d\u00e1sok lehetnek Foly\u00e9kony v\u00edz keres\u00e9se a Marson A m\u00faltbeli \u00e9let nyomai ut\u00e1n kutatva a Marson sz\u00e1mos tanulm\u00e1ny foglalkozik azzal, hogy a bolyg\u00f3n m\u00e9g mindig&hellip;<\/p>\n","protected":false},"author":1,"featured_media":25225,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1572],"tags":[1216,815,1571,207,811],"class_list":["post-640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-planetary-exploration","tag-astrobiology","tag-planetary-science","tag-clay-minerals","tag-geology","tag-mars"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=640"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/640\/revisions"}],"predecessor-version":[{"id":25226,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/640\/revisions\/25226"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media\/25225"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}