{"id":454,"date":"2013-08-21T07:50:00","date_gmt":"2013-08-21T05:50:00","guid":{"rendered":"https:\/\/kids.esa.int\/europe_s_space_sentinels\/"},"modified":"2026-10-08T00:28:23","modified_gmt":"2026-10-07T22:28:23","slug":"europe_s_space_sentinels","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/europe_s_space_sentinels\/","title":{"rendered":"Sateli\u021bii spa\u021biali \u201eSentinel\u201d ai Europei"},"content":{"rendered":"<div class=\"lede\">\n<p>Baz\u00e2ndu-se pe o experien\u021b\u0103 de peste 30 de ani \u00een lansarea sateli\u021bilor de observare a P\u0103m\u00e2ntului, ESA dezvolt\u0103 cinci noi tipuri de nave spa\u021biale, cunoscute sub numele de \u201eSentinel\u201d. Fiecare misiune \u201eSentinel\u201d este alc\u0103tuit\u0103 din doi sateli\u021bi identici, pentru a asigura o acoperire maxim\u0103 a P\u0103m\u00e2ntului.<\/p>\n<\/div>\n<p>Aceste \u201eochi\u201d din cer vor transmite cantit\u0103\u021bi uria\u0219e de date despre suprafa\u021ba P\u0103m\u00e2ntului \u0219i despre atmosfer\u0103. Aceste informa\u021bii vor fi utilizate pentru a r\u0103spunde nevoilor opera\u021bionale ale programului Copernicus.<\/p>\n<p>Sentinel-1 este o misiune de imagistic\u0103 radar care func\u021bioneaz\u0103 \u00een orice condi\u021bii meteorologice, at\u00e2t ziua, c\u00e2t \u0219i noaptea. Printre numeroasele sale sarcini se num\u0103r\u0103 monitorizarea ghe\u021bii marine din Arctica, detectarea polu\u0103rii marine (cum ar fi scurgerile de petrol), cartografierea mi\u0219c\u0103rilor de teren, studierea p\u0103durilor, a apei \u0219i a solului, precum \u0219i sprijinirea eforturilor de interven\u021bie \u00een caz de dezastre. Satelitul Sentinel-1A, cu orbit\u0103 polar\u0103, a fost lansat la 3 aprilie 2014. Geam\u0103nul s\u0103u, Sentinel-1B, a fost lansat doi ani mai t\u00e2rziu, la 25 aprilie 2016.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Astrium GmbH\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/02\/Sentinel-22\" 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\/2012\/02\/sentinel-22\/17878552-2-eng-GB\/Sentinel-2.jpg\" alt=\"Sentinel-2\"><figcaption>Sentinel-2<\/figcaption><\/figure>\n<p>Sentinel-2 este o alt\u0103 pereche de sateli\u021bi cu orbit\u0103 polar\u0103. Ace\u0219tia vor furniza imagini optice detaliate ale vegeta\u021biei, solului \u0219i acoperirii cu ap\u0103, precum \u0219i ale zonelor de coast\u0103. Sentinel-2A a fost lansat pe 23 iunie 2015. Sentinel-2B a fost lansat pe 7 martie 2017.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\u2013J. Huart\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/02\/Sentinel-32\" 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\/2012\/02\/sentinel-32\/17871448-2-eng-GB\/Sentinel-3.jpg\" alt=\"Sentinel-3\"><figcaption>Sentinel-3<\/figcaption><\/figure>\n<p>Cele c\u00e2teva instrumente ale satelitului Sentinel-3 vor m\u0103sura \u00een\u0103l\u021bimea suprafe\u021bei m\u0103rii, temperatura suprafe\u021bei terestre \u0219i a suprafe\u021bei m\u0103rii, precum \u0219i culoarea oceanului (determinat\u0103 de micile organisme vii). Sentinel-3A a fost lansat cu succes pe 16 februarie 2016, iar lansarea satelitului Sentinel-3B este programat\u0103 pentru anul 2017.<\/p>\n<p>At\u00e2t Sentinel-4, c\u00e2t \u0219i Sentinel-5 vor monitoriza calitatea aerului, stratul de ozon, radia\u021bia solar\u0103 \u0219i schimb\u0103rile climatice. Sentinel-4 va fi alc\u0103tuit din mai multe instrumente instalate la bordul a doi sateli\u021bi meteorologici din genera\u021bia a treia Meteosat, afla\u021bi pe orbit\u0103 deasupra ecuatorului.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1280\" data-credit=\"ESA-P. Carril, 2012\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/11\/Sentinel-5_precursor2\" 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\/2012\/11\/sentinel-5_precursor2\/18245958-2-eng-GB\/Sentinel-5_precursor.jpg\" alt=\"Sentinel-5 precursor\"><figcaption>Precursorul Sentinel-5<\/figcaption><\/figure>\n<p>Instrumentele Sentinel-5 vor fi transportate de un satelit MetOp de a doua genera\u021bie (MSG) cu orbit\u0103 polar\u0103, care va zbura la o altitudine mult mai mic\u0103 dec\u00e2t Sentinel-4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Based on over 30 years of experience in flying Earth observation satellites, ESA is developing five new types of spacecraft, known as Sentinels. Each Sentinel mission is made up of [&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\/2007\/05\/sentinel-12\/17892760-2-eng-GB\/Sentinel-1.jpg","esa_banner_description":"Sentinel-1","esa_banner_credit":"ESA\/P. 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