{"id":73470,"date":"2026-04-22T20:08:09","date_gmt":"2026-04-22T20:08:09","guid":{"rendered":"https:\/\/www.europesays.com\/hu\/73470\/"},"modified":"2026-04-22T20:08:09","modified_gmt":"2026-04-22T20:08:09","slug":"hatalmas-sotetseg-terjeszkedik-a-marson-nem-tudjak-a-pontos-okat-a-kutatok","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/hu\/73470\/","title":{"rendered":"Hatalmas s\u00f6t\u00e9ts\u00e9g terjeszkedik a Marson, nem tudj\u00e1k a pontos ok\u00e1t a kutat\u00f3k"},"content":{"rendered":"<p>A felv\u00e9teleken j\u00f3l l\u00e1that\u00f3, hogyan veszi \u00e1t a s\u00f6t\u00e9t ter\u00fclet az uralmat a r\u00e9gi\u00f3ban.<\/p>\n<p>A Marson egy nagy kiterjed\u00e9s\u0171 s\u00f6t\u00e9t r\u00e9gi\u00f3 terjeszkedik az Utopia Planitia ter\u00fclet\u00e9n, ahol r\u00e9gen \u00f3ri\u00e1si t\u00f3 vagy \u00f3ce\u00e1n bor\u00edtotta a t\u00e9rs\u00e9get. A messzir\u0151l k\u00e9sz\u00edtett felv\u00e9teleken j\u00f3l l\u00e1that\u00f3, mennyit n\u0151tt az \u201c\u00e1rny\u00e9k\u201d a felsz\u00ednen az elm\u00falt \u00e9vtizedekben, \u00e9s milyen messzire kitol\u00f3dott a vil\u00e1gosabb z\u00f3n\u00e1t a s\u00f6t\u00e9tebbt\u0151l elv\u00e1laszt\u00f3 hat\u00e1r, mik\u00f6zben a k\u00f6rny\u00e9ken fekv\u0151 kr\u00e1terek sz\u00edne megv\u00e1ltozott.<\/p>\n<p>Az els\u0151 k\u00e9pet a NASA Viking kering\u0151egys\u00e9ge k\u00e9sz\u00edtette m\u00e9g 1976-ban, a m\u00e1sodikat k\u00f6zel f\u00e9l \u00e9vsz\u00e1zaddal k\u00e9s\u0151bb, 2024-ben az ESA Mars Express szond\u00e1ja \u00f6r\u00f6k\u00edtette meg, aminek nagy felbont\u00e1s\u00fa kamer\u00e1j\u00e1val (High Resolution Stereo Camera) \u00e9s m\u00e9g h\u00e9t m\u00e1sik eszk\u00f6zzel 2003 \u00f3ta vizsg\u00e1lj\u00e1k a Mars felsz\u00edn\u00e9t.<\/p>\n<p><a href=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/04\/Viking_and_Mars_Express_images_of_part_of_Utopia_Planitia_on_Mars.jpg\" data-lightbox=\"raketa-gallery\"><img decoding=\"async\" loading=\"lazy\" width=\"1039\" height=\"1114\" src=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/04\/Viking_and_Mars_Express_images_of_part_of_Utopia_Planitia_on_Mars.jpg\" alt=\"\" autoclip=\"\"\/><\/a><\/p>\n<p><a href=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/04\/Mars_Express_image_of_part_of_Utopia_Planitia_on_Mars.jpg\" data-lightbox=\"raketa-gallery\"><img decoding=\"async\" loading=\"lazy\" width=\"1039\" height=\"1114\" src=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/04\/Mars_Express_image_of_part_of_Utopia_Planitia_on_Mars.jpg\" alt=\"\" autoclip=\"\"\/><\/a><\/p>\n<p>A s\u00f6t\u00e9t r\u00e9gi\u00f3 a megfigyel\u00e9sek szerint az\u00e9rt alakult ki, mert itt vulk\u00e1ni hamu bor\u00edtja a talajt, m\u00edg a bolyg\u00f3n \u201cnorm\u00e1lisnak\u201d sz\u00e1m\u00edt\u00f3 okker sz\u00edn\u0171 regolit m\u00e1s \u00f6sszet\u00e9tel\u0171. A hamuban jelen l\u00e9v\u0151 \u00f6sszetev\u0151k k\u00f6z\u00fcl a vulk\u00e1ni tev\u00e9kenys\u00e9g k\u00f6vetkezt\u00e9ben sz\u00fclet\u0151 magm\u00e1s k\u0151zetek egyes \u00e1sv\u00e1nyai, p\u00e9ld\u00e1ul az olivin \u00e9s piroxin felel\u0151s a fekete sz\u00edn\u00e9rt az ESA <a href=\"https:\/\/www.esa.int\/Science_Exploration\/Space_Science\/Mars_Express\/Ash_creeps_across_Mars\" target=\"_blank\" rel=\"nofollow noopener\">le\u00edr\u00e1sa<\/a> szerint, teh\u00e1t a s\u00f6t\u00e9t folt nem \u00e1rny\u00e9kot jelent, hanem a hamu terjed\u00e9s\u00e9t jelzi. <\/p>\n<p><a href=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/04\/Mars_Express_captures_dark_ash_covering_Mars_s_Utopia_Planitia.jpg\" data-lightbox=\"raketa-gallery\"><img decoding=\"async\" loading=\"lazy\" width=\"1200\" height=\"308\" src=\"https:\/\/www.europesays.com\/hu\/wp-content\/uploads\/2026\/04\/Mars_Express_captures_dark_ash_covering_Mars_s_Utopia_Planitia.jpg\" alt=\"\" autoclip=\"\"\/><\/a><\/p>\n<p>Azt azonban, hogy mi\u00e9rt bor\u00edtott be ekkora ter\u00fcletet n\u00e9h\u00e1ny \u00e9vtized alatt ez az anyag, nem tudj\u00e1k biztosan a szak\u00e9rt\u0151k. A k\u00e9t legval\u00f3sz\u00edn\u0171bb elm\u00e9let szerint a hamut vagy a marsi szelek f\u00fajt\u00e1k tov\u00e1bb az eredeti kiindul\u00f3 helyr\u0151l, vagy m\u00e1r kor\u00e1bban is ilyen nagy r\u00e9gi\u00f3t bor\u00edtott a vulk\u00e1ni anyag, csak a r\u00e1ker\u00fcl\u0151, vil\u00e1gos por (ami az id\u0151k sor\u00e1n elt\u0171nt) elfedte az als\u00f3 r\u00e9teg sz\u00edn\u00e9t. <\/p>\n<p>(Fot\u00f3: ESA\/DLR\/FU Berlin)<\/p>\n<p>                                        <br class=\"clear\"\/><\/p>\n","protected":false},"excerpt":{"rendered":"A felv\u00e9teleken j\u00f3l l\u00e1that\u00f3, hogyan veszi \u00e1t a s\u00f6t\u00e9t ter\u00fclet az uralmat a r\u00e9gi\u00f3ban. A Marson egy nagy&hellip;\n","protected":false},"author":2,"featured_media":73471,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[5276,7534,42,43,15954,26832,34,94,26833,93,92],"class_list":{"0":"post-73470","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-vilag","8":"tag-esa","9":"tag-europai-urugynokseg","10":"tag-hungarian","11":"tag-magyar","12":"tag-mars","13":"tag-mars-express","14":"tag-news","15":"tag-vilag","16":"tag-vulkani-hamu","17":"tag-world","18":"tag-world-news"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@hu\/116450171712644053","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts\/73470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/comments?post=73470"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts\/73470\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/media\/73471"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/media?parent=73470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/categories?post=73470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/tags?post=73470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}