{"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\/ro\/can_et_hear_the_sounds_of_earth\/","title":{"rendered":"Poate ET s\u0103 aud\u0103 sunetele de pe P\u0103m\u00e2nt?"},"content":{"rendered":"<div class=\"lede\">\n<p>Cele patru nave spa\u021biale Cluster ale ESA au descoperit c\u0103 P\u0103m\u00e2ntul \u0219i alte planete au un mod de a striga \u201cSunt aici!\u201d c\u0103tre restul Galaxiei. Cu toate acestea, mesajele provenite de la planete pot fi auzite \u0219i \u00een\u021belese doar cu ajutorul unor radiotelescoape de mari dimensiuni. O ras\u0103 extraterestr\u0103 care ar capta semnalele radio naturale ale P\u0103m\u00e2ntului ar auzi o serie de ciripituri \u0219i fluier\u0103turi, cam ca \u0219i cum ar asculta R2-D2, robotul din \u201eR\u0103zboiul stelelor\u201d.<\/p>\n<\/div>\n<p>\u00cen prezent, nici chiar cele mai moderne telescoape nu sunt suficient de puternice pentru a detecta planete de dimensiunea P\u0103m\u00e2ntului \u00een jurul stelelor \u00eendep\u0103rtate. Aceea\u0219i problem\u0103 o au \u0219i astronomii extratere\u0219tri \u2013 c\u0103utarea P\u0103m\u00e2ntului ar fi ca \u0219i cum ai c\u0103uta un ac \u00een carul cu f\u00e2n. Cu toate acestea, exploziile radio ale planetei noastre \u2013 de 10.000 de ori mai intense dec\u00e2t cel mai puternic semnal de radar militar \u2013 anun\u021b\u0103 clar prezen\u021ba P\u0103m\u00e2ntului.<\/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>Oamenii de \u0219tiin\u021b\u0103 \u0219tiu \u00eenc\u0103 din anii 1970 c\u0103 planetele cu c\u00e2mpuri magnetice (inclusiv P\u0103m\u00e2ntul, Jupiter \u0219i Saturn) emit semnale radio puternice. Aceste emisii sunt generate la mare altitudine deasupra fiec\u0103rei planete de acelea\u0219i particule solare care provoac\u0103 apari\u021bia aurorelor care lumineaz\u0103 cerul de dedesubt. P\u00e2n\u0103 acum, astronomii presupuneau c\u0103 aceste unde radio se propagau \u00een spa\u021biu sub forma unui con din ce \u00een ce mai larg, asemenea luminii unei lanterne. Datorit\u0103 misiunii Cluster, \u0219tim acum c\u0103 acest lucru nu este adev\u0103rat.<\/p>\n<p>Pe m\u0103sur\u0103 ce undele radio loveau pe r\u00e2nd fiecare nav\u0103 spa\u021bial\u0103, oamenii de \u0219tiin\u021b\u0103 au putut s\u0103 le calculeze dimensiunea \u0219i pozi\u021bia. Se pare c\u0103 semnalele se propag\u0103 prin spa\u021biu sub forma unui fascicul \u00eengust. Acest lucru face mult mai u\u0219oar\u0103 determinarea exact\u0103 a locului de unde provin. \u00cen viitor, s-ar putea s\u0103 descoperim lumi extraterestre ascult\u00e2nd sunetele \u0219i fluier\u0103turile lor.<\/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\/ro\/wp-json\/wp\/v2\/posts\/661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=661"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/661\/revisions"}],"predecessor-version":[{"id":4616,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/661\/revisions\/4616"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=661"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=661"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=661"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=661"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=661"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=661"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=661"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}