{"id":781,"date":"2011-07-27T12:48:00","date_gmt":"2011-07-27T10:48:00","guid":{"rendered":"https:\/\/kids.esa.int\/pioneering_satellite_reaches_retirement\/"},"modified":"2026-10-08T00:32:11","modified_gmt":"2026-10-07T22:32:11","slug":"pioneering_satellite_reaches_retirement","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/pioneering_satellite_reaches_retirement\/","title":{"rendered":"Un satelit pionier \u00ee\u0219i \u00eencheie misiunea"},"content":{"rendered":"<div class=\"lede\">\n<p>Unul dintre cei mai vechi sateli\u021bi func\u021bionali ai ESA urmeaz\u0103 s\u0103 fie scos din serviciu, dup\u0103 ce a orbitat P\u0103m\u00e2ntul de aproape 85.000 de ori \u0219i a parcurs aproximativ 3,8 miliarde de km. Al doilea satelit european de teledetec\u021bie (ERS-2) a fost lansat \u00een 1995. Acum, ESA a decis s\u0103-l scoat\u0103 din serviciu \u00eenainte ca acesta s\u0103 \u00eenceteze s\u0103 mai func\u021bioneze \u0219i s\u0103 devin\u0103 o amenin\u021bare pentru alte nave spa\u021biale.<\/p>\n<\/div>\n<p>\u00cencep\u00e2nd cu 6 iulie, o serie de manevre de propulsie reduc treptat orbita sa de la 800 km la aproximativ 550 km, unde riscul de coliziune cu al\u021bi sateli\u021bi este redus. \u00cen loc s\u0103 devin\u0103 un obiect de de\u0219eu spa\u021bial, ERS-2 va intra \u00een cele din urm\u0103 \u00een atmosfera P\u0103m\u00e2ntului \u0219i se va dezintegra.<\/p>\n<p>ERS-1 (care a func\u021bionat \u00eentre 1991 \u0219i 2000) \u0219i satelitul s\u0103u geam\u0103n au avut o carier\u0103 \u00eendelungat\u0103 \u0219i remarcabil\u0103. \u00cempreun\u0103, ace\u0219tia au furnizat un flux continuu de date pe o perioad\u0103 de 20 de ani, revolu\u021bion\u00e2nd studiile privind atmosfera P\u0103m\u00e2ntului, uscatul, oceanele \u0219i ghea\u021ba polar\u0103.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/04\/ERS-2_satellite_and_applications2\" 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\/esa_multimedia\/images\/2005\/04\/ers-2_satellite_and_applications2\/17882473-2-eng-GB\/ERS-2_satellite_and_applications.jpg\" alt=\"ERS-2 satellite and applications\"><figcaption>Satelitul ERS-2 \u0219i aplica\u021biile sale<\/figcaption><\/figure>\n<p>Printre instrumentele lor se num\u0103ra primul radar non-militar din spa\u021biu. Capabil s\u0103 observe suprafa\u021ba terestr\u0103 \u00een orice condi\u021bii meteorologice, zi sau noapte, acesta putea monitoriza mi\u0219c\u0103rile solului \u00een timpul cutremurelor majore sau al erup\u021biilor vulcanice. De asemenea, putea cartografia altitudinea suprafe\u021bei terestre.<\/p>\n<p>Alte instrumente au m\u0103surat temperatura global\u0103 a suprafe\u021bei m\u0103rii \u0219i varia\u021biile nivelului m\u0103rii, informa\u021bii importante pentru cercet\u0103torii care studiaz\u0103 schimb\u0103rile climatice. Un alt experiment cheie realizat cu ajutorul satelitului ERS-2 a monitorizat evolu\u021bia dimensiunii \u0219i a localiz\u0103rii unei g\u0103uri uria\u0219e din stratul de ozon de deasupra Antarcticii.<\/p>\n<p>Mii de proiecte de cercetare \u0219i lucr\u0103ri \u0219tiin\u021bifice s-au bazat pe datele furnizate de ERS. Informa\u021biile transmise de acestea au contribuit la aprofundarea cuno\u0219tin\u021belor noastre despre modul \u00een care func\u021bioneaz\u0103 P\u0103m\u00e2ntul. Iar versiuni \u00eembun\u0103t\u0103\u021bite ale instrumentelor pe care le-au transportat sunt utilizate \u00een prezent \u00een misiuni precum Envisat al ESA, Earth Explorers \u0219i Sentinels.<\/p>","protected":false},"excerpt":{"rendered":"<p>One of ESA\u2019s oldest working satellites is about to be retired, after orbiting Earth almost 85,000 times and travelling some 3.8 billion km. The second European Remote Sensing (ERS-2) satellite [&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\/2011\/07\/ers-2_satellite2\/17883510-2-eng-GB\/ERS-2_satellite.jpg","esa_banner_description":"ERS-2 satellite","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2011\/07\/ERS-2_satellite2","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":[42,10,66],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-781","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-water-world"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/781","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=781"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/781\/revisions"}],"predecessor-version":[{"id":4679,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/781\/revisions\/4679"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=781"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=781"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=781"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=781"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=781"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=781"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=781"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}