{"id":661,"date":"2008-07-04T09:36:00","date_gmt":"2008-07-04T07:36:00","guid":{"rendered":"https:\/\/kids.esa.int\/can_et_hear_the_sounds_of_earth\/"},"modified":"2026-10-08T00:30:51","modified_gmt":"2026-10-07T22:30:51","slug":"can_et_hear_the_sounds_of_earth","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/can_et_hear_the_sounds_of_earth\/","title":{"rendered":"Hallja-e az ET a F\u00f6ld hangjait?"},"content":{"rendered":"<div class=\"lede\">\n<p>Az ESA n\u00e9gy Cluster \u0171reszk\u00f6ze meg\u00e1llap\u00edtotta, hogy a F\u00f6ld \u00e9s m\u00e1s bolyg\u00f3k is k\u00e9pesek azt ki\u00e1ltani a Galaxis t\u00f6bbi r\u00e9sz\u00e9nek: \u201cItt vagyok!\u201d. A bolyg\u00f3kr\u00f3l \u00e9rkez\u0151 \u00fczeneteket azonban csak nagy r\u00e1di\u00f3teleszk\u00f3pok seg\u00edts\u00e9g\u00e9vel lehet befogni \u00e9s meg\u00e9rteni. Egy idegen faj, amely a F\u00f6ld term\u00e9szetes r\u00e1di\u00f3jel\u00e9t veszi, egy sor csiripel\u00e9st \u00e9s f\u00fcty\u00fcl\u00e9st fog hallani, kicsit olyan, mintha az R2-D2-t, a Csillagok h\u00e1bor\u00faja c\u00edm\u0171 film robotj\u00e1t hallgatn\u00e1.<\/p>\n<\/div>\n<p>Jelenleg m\u00e9g a legkorszer\u0171bb t\u00e1vcs\u00f6vek sem el\u00e9g er\u0151sek ahhoz, hogy t\u00e1voli csillagok k\u00f6r\u00fcl F\u00f6ld m\u00e9ret\u0171 bolyg\u00f3kat \u00e9szleljenek. Ugyanezzel a probl\u00e9m\u00e1val szembes\u00fclnek az idegen csillag\u00e1szok is \u2013 a F\u00f6ldet keresni olyan lenne, mint t\u0171t keresni a sz\u00e9nakazalban. Bolyg\u00f3nk r\u00e1di\u00f3kit\u00f6r\u00e9sei azonban \u2013 amelyek 10 000-szer er\u0151sebbek, mint a leger\u0151sebb katonai radarjel \u2013 egy\u00e9rtelm\u0171en jelzik a F\u00f6ld jelenl\u00e9t\u00e9t.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/Media\/Animations\/Auroral-2HQ\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/media\/animations\/auroral-2hq\/9257-5-eng-GB\/Auroral-2HQ.jpg\" alt=\"\"><\/figure>\n<p>A tud\u00f3sok m\u00e1r az 1970-es \u00e9vek \u00f3ta tudj\u00e1k, hogy a m\u00e1gneses mez\u0151vel rendelkez\u0151 bolyg\u00f3k (k\u00f6zt\u00fck a F\u00f6ld, a Jupiter \u00e9s a Szaturnusz) er\u0151s r\u00e1di\u00f3jeleket bocs\u00e1tanak ki. Ezeket a sug\u00e1rz\u00e1sokat a bolyg\u00f3k felett nagy magass\u00e1gban azok a napr\u00e9szecsk\u00e9k hozz\u00e1k l\u00e9tre, amelyek az \u00e9gbolton az auror\u00e1t is okozz\u00e1k. Eddig a csillag\u00e1szok azt felt\u00e9telezt\u00e9k, hogy ezek a r\u00e1di\u00f3hull\u00e1mok egyre t\u00e1gul\u00f3 k\u00fap alakban terjednek az \u0171rbe, ak\u00e1rcsak egy zsebl\u00e1mpa f\u00e9nye. A Clusternek k\u00f6sz\u00f6nhet\u0151en ma m\u00e1r tudjuk, hogy ez nem igaz.<\/p>\n<p>Ahogy a r\u00e1di\u00f3hull\u00e1mok sorozata egym\u00e1s ut\u00e1n el\u00e9rte az egyes \u0171rhaj\u00f3kat, a tud\u00f3sok kisz\u00e1m\u00edthatt\u00e1k azok m\u00e9ret\u00e9t \u00e9s helyzet\u00e9t. Kider\u00fclt, hogy a jelek keskeny sug\u00e1rban haladnak az \u0171rben. Ez jelent\u0151sen megk\u00f6nny\u00edti annak meg\u00e1llap\u00edt\u00e1s\u00e1t, hogy pontosan honnan \u00e9rkeznek. A j\u00f6v\u0151ben tal\u00e1n idegen vil\u00e1gokat fedezhet\u00fcnk fel, ha r\u00e1hangol\u00f3dunk a csipog\u00e1saikra \u00e9s f\u00fcty\u00fcl\u00e9seikre.<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s four Cluster spacecraft have found that Earth and other planets have a way of shouting \u201cI\u2019m here!\u201d to the rest of the Galaxy. However, the messages from the planets [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2002\/08\/the_cluster_constellation\/17863826-3-eng-GB\/The_Cluster_constellation.jpg","esa_banner_description":"The Cluster constellation","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2002\/08\/The_Cluster_constellation","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[14,10,13],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-661","post","type-post","status-publish","format-standard","hentry","category-are-we-alone","category-learn","category-life-in-space"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=661"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/661\/revisions"}],"predecessor-version":[{"id":4616,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/661\/revisions\/4616"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=661"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=661"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=661"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=661"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=661"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=661"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=661"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}