{"id":964,"date":"2026-05-25T06:51:27","date_gmt":"2026-05-25T06:51:27","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=964"},"modified":"2026-05-25T06:51:27","modified_gmt":"2026-05-25T06:51:27","slug":"active-volcanoes-on-venus-evidence-and-implications","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/planetary-geology\/active-volcanoes-on-venus-evidence-and-implications\/","title":{"rendered":"V\u00e9nuszon akt\u00edv vulk\u00e1nok? \u00daj bizony\u00edt\u00e9k a fiatal l\u00e1vafoly\u00e1sokra \u00e9s k\u00e9n\u2011dioxid kit\u00f6r\u00e9sekre"},"content":{"rendered":"

Akt\u00edv vulk\u00e1nok l\u00e9tezhetnek a V\u00e9nuszon<\/h2>\n\n

Bizony\u00edt\u00e9k a l\u00e1va kor\u00e1ra \u00e9s a l\u00e9gk\u00f6r \u00f6sszet\u00e9tel\u00e9re<\/h2>\n\n

A tud\u00f3sok m\u00e1r r\u00e9g\u00f3ta gyan\u00edtj\u00e1k, hogy a V\u00e9nusz, a F\u00f6ld forr\u00f3 \u00e9s savas k\u00f6peny\u0171 szomsz\u00e9dja, m\u00e9g mindig akt\u00edv vulk\u00e1nokat rejthet. \u00daj bizony\u00edt\u00e9kok arra utalnak, hogy a V\u00e9nusz felsz\u00edn\u00e9n l\u00e9v\u0151 l\u00e1vafoly\u00e1sok csak n\u00e9h\u00e1ny \u00e9vesek lehetnek, er\u0151s\u00edtve a k\u00f6zelm\u00faltbeli kit\u00f6r\u00e9sek es\u00e9ly\u00e9t.<\/p>\n\n

A vulkanikus aktivit\u00e1s jelei<\/h2>\n\n

Az Eur\u00f3pai \u0170r\u00fcgyn\u00f6ks\u00e9g (ESA) V\u00e9nusz Expressz \u0171rszond\u00e1j\u00e1nak adatai t\u00f6bb nyomot is felfedtek a V\u00e9nusz l\u00e9gk\u00f6r\u00e9ben megmaradt vulkanikus aktivit\u00e1sra. Ezek k\u00f6z\u00e9 tartoznak az intenz\u00edv h\u0151forr\u00e1sok \u00e9s a k\u00e9n-dioxid kit\u00f6r\u00e9sei, amely g\u00e1z a F\u00f6ld\u00f6n akt\u00edv vulk\u00e1nok \u00e1ltal szabadul fel.<\/p>\n\n

A l\u00e1va kor\u00e1nak meghat\u00e1roz\u00e1sa<\/h2>\n\n

A l\u00e1vafoly\u00e1sok kor\u00e1nak meghat\u00e1roz\u00e1sa a V\u00e9nuszon t\u00e1volr\u00f3l kih\u00edv\u00e1st jelent. Azonban az \u0171reszk\u00f6z\u00f6k k\u00e9peket k\u00e9sz\u00edtettek fiatalnak t\u0171n\u0151 \u00e1raml\u00e1sokr\u00f3l, amelyek olyan \u00e1sv\u00e1nyokat tartalmaznak, amelyeket a bolyg\u00f3 kem\u00e9ny k\u00f6r\u00fclm\u00e9nyei m\u00e9g nem v\u00e1ltoztattak meg k\u00e9miailag.<\/p>\n\n

A l\u00e1va kor\u00e1nak jobb becsl\u00e9s\u00e9hez a tud\u00f3sok a V\u00e9nusz extr\u00e9m l\u00e9gk\u00f6r\u00e9t laborat\u00f3riumi k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt egy doboz s\u00fct\u0151ben szimul\u00e1lt\u00e1k. Olivin krist\u00e1lyokat, egy gyakori vulk\u00e1ni \u00e1sv\u00e1nyt, 1\u202f000\u202f\u00b0F (kb. 540\u202f\u00b0C) feletti h\u0151m\u00e9rs\u00e9kletnek tett\u00e9k ki k\u00fcl\u00f6nb\u00f6z\u0151 id\u0151tartamokra.<\/p>\n\n

Az olivin id\u0151vel rozsd\u00e1sodik, z\u00f6ldes \u00e1rnyalat\u00e1b\u00f3l v\u00f6r\u00f6s\u2011fekete sz\u00ednre v\u00e1ltozik. Ez a v\u00e1ltoz\u00e1s nehez\u00edti a felder\u00edt\u00e9s\u00e9t a kering\u0151 \u0171rszond\u00e1k sz\u00e1m\u00e1ra. A doboz s\u00fct\u0151ben az olivin napok alatt rozsd\u00e1sodott, ami azt sugallja, hogy a V\u00e9nuszon a l\u00e1va lehet, hogy kevesebb, mint n\u00e9h\u00e1ny \u00e9vtizedes.<\/p>\n\n

Laborat\u00f3riumi k\u00eds\u00e9rletek \u00e9s j\u00f6v\u0151beli k\u00fcldet\u00e9sek<\/h2>\n\n

Az eredm\u00e9nyek meger\u0151s\u00edt\u00e9s\u00e9re a tud\u00f3sok m\u00e1s \u00e1sv\u00e1nyokkal is megism\u00e9tlik a k\u00eds\u00e9rleteket, \u00e9s egy CO\u2082\u2011 \u00e9s k\u00e9n\u2011tartalm\u00fa, V\u00e9nuszra jellemz\u0151bb l\u00e9gk\u00f6rt haszn\u00e1lnak. A prelimin\u00e1ris adatok \u00edg\u00e9retesek.<\/p>\n\n

A V\u00e9nusz vulkanikus aktivit\u00e1s\u00e1nak v\u00e9gs\u0151 bizony\u00edt\u00e9k\u00e1t a j\u00f6v\u0151beli bolyg\u00f3k\u00fcldet\u00e9sek fogj\u00e1k hozni. Ezek a misszi\u00f3k k\u00e9pesek lesznek megfigyelni a fiatal l\u00e1vafoly\u00e1sokat \u00e9s a felsz\u00edn v\u00e1ltoz\u00e1sait, konkr\u00e9t bizony\u00edt\u00e9kot szolg\u00e1ltatva a k\u00f6zelm\u00faltbeli aktivit\u00e1sra.<\/p>\n\n

Hat\u00e1sok a planet\u00e1ris tudom\u00e1nyra<\/h2>\n\n

Ha a V\u00e9nusz val\u00f3ban vulkanikusan akt\u00edv, egyed\u00fcl\u00e1ll\u00f3 lehet\u0151s\u00e9get ny\u00fajt a bolyg\u00f3k bels\u0151 szerkezet\u00e9nek tanulm\u00e1nyoz\u00e1s\u00e1ra. Az akt\u00edv vulk\u00e1nok betekint\u00e9st ny\u00fajtanak a bolyg\u00f3 geol\u00f3giai folyamataiba \u00e9s a k\u00f6peny \u00f6sszet\u00e9tel\u00e9be.<\/p>\n\n

Emellett a V\u00e9nusz vulkanikus tev\u00e9kenys\u00e9g\u00e9nek meg\u00e9rt\u00e9se seg\u00edthet megvil\u00e1g\u00edtani a saj\u00e1t bolyg\u00f3nk fejl\u0151d\u00e9s\u00e9t, mivel a V\u00e9nusz \u00e9s a F\u00f6ld val\u00f3sz\u00edn\u0171leg hasonl\u00f3 korai t\u00f6rt\u00e9neteket \u00e9ltek \u00e1t.<\/p>","protected":false},"excerpt":{"rendered":"

Akt\u00edv vulk\u00e1nok l\u00e9tezhetnek a V\u00e9nuszon Bizony\u00edt\u00e9k a l\u00e1va kor\u00e1ra \u00e9s a l\u00e9gk\u00f6r \u00f6sszet\u00e9tel\u00e9re A tud\u00f3sok m\u00e1r r\u00e9g\u00f3ta gyan\u00edtj\u00e1k, hogy a V\u00e9nusz, a F\u00f6ld forr\u00f3 \u00e9s savas k\u00f6peny\u0171 szomsz\u00e9dja, m\u00e9g mindig…<\/p>\n","protected":false},"author":2,"featured_media":25461,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2256],"tags":[1216,815,2255,568],"class_list":["post-964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-planetary-geology","tag-astrobiology","tag-planetary-science","tag-venus","tag-volcanoes"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/964","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=964"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/964\/revisions"}],"predecessor-version":[{"id":25462,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/964\/revisions\/25462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media\/25461"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}