{"id":2125963,"date":"2026-09-03T00:00:00","date_gmt":"2026-09-02T21:00:00","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=2125963"},"modified":"2026-09-03T00:00:00","modified_gmt":"2026-09-02T21:00:00","slug":"misiunea-bepicolombo-isi-incepe-insertia-pe-orbita-planetei-mercur","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=2125963","title":{"rendered":"Misiunea BepiColombo \u00ee\u0219i \u00eencepe inser\u021bia pe orbita planetei Mercur"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/agerpres.ro\/data\/202609\/20260903120603_357402.jpg&#8221;]<\/p>\n<div class=\"mx-auto pt-3\">\n<p>Dup\u0103 opt ani de c\u0103l\u0103torie c\u0103tre planeta Mercur, cea mai mic\u0103 \u0219i mai pu\u021bin cunoscut\u0103 planet\u0103 din Sistemul Solar, sonda dubl\u0103 euro-japonez\u0103 BepiColombo \u00eencepe joi o <a href=\"https:\/\/www.youtube.com\/watch?v=oC7lQngNG3o\" target=\"_blank\">manevr\u0103 riscant\u0103<\/a> c\u0103tre destina\u021bia sa final\u0103, transmite AFP.<\/p>\n<p>Lansat\u0103 \u00een octombrie 2018, sonda de patru tone a parcurs o distan\u021b\u0103 de peste 10 miliarde de kilometri \u0219i a efectuat nou\u0103 survoluri ale unor planete pentru a-\u0219i ajusta viteza \u0219i traiectoria, astfel \u00eenc\u00e2t s\u0103 ajung\u0103 la planeta cea mai apropiat\u0103 de Soare.<\/p>\n<p>\u00cencep\u00e2nd din aprilie, sonda MPO (Mercury Planet Orbiter) a Agen\u021biei Spa\u021biale Europene (ESA) urmeaz\u0103 s\u0103 studieze planeta cu o precizie f\u0103r\u0103 precedent, trec\u00e2nd la doar 480 de kilometri de suprafa\u021ba sa.<\/p>\n<iframe loading=\"lazy\" src=\"https:\/\/www.facebook.com\/plugins\/post.php?href=https%3A%2F%2Fwww.facebook.com%2FEuropeanSpaceAgency%2Fposts%2Fpfbid02FafunPjUeD7atuwqWRzCMbna48Y4oggrQ3kjz5HjdhcoMnoym3d4AkNf65wQ1Qcl&amp;show_text=true&amp;width=500\" width=\"500\" height=\"485\" scrolling=\"no\" frameborder allowfullscreen=\"true\" allow=\"autoplay; clipboard-write; encrypted-media; picture-in-picture; web-share\"><\/iframe>\n<p>Sonda Mio (Mercury Magnetospheric Orbiter) a agen\u021biei spa\u021biale japoneze, JAXA, se va concentra, la r\u00e2ndul s\u0103u, asupra mediului s\u0103u spa\u021bial, \u00een special asupra c\u00e2mpului s\u0103u magnetic, urm\u00e2nd o orbit\u0103 eliptic\u0103 ce se \u00eendep\u0103rteaz\u0103 p\u00e2n\u0103 la 11.000 de kilometri.<\/p>\n<p>\u00cens\u0103, \u00eenainte de aceasta, BepiColombo trebuie s\u0103 \u00eenceap\u0103 o faz\u0103 delicat\u0103 de apropiere de c\u00e2teva luni, marcat\u0103 de opera\u021biuni &#8216;cu risc ridicat&#8217;, a avertizat \u00een cadrul unei conferin\u021be de pres\u0103 Ignacio Tanco, responsabil de opera\u021biunile misiunilor c\u0103tre interiorul sistemului solar din cadrul ESA.<\/p>\n<p>Mediul extrem al acestei planete &#8211; cu temperaturi cuprinse \u00eentre minus 180 de grade Celsius \u0219i 450 de grade Celsius \u0219i radia\u021bii solare intense &#8211; face ca inser\u021bia orbital\u0103 s\u0103 fie deosebit de periculoas\u0103.<\/p>\n<p>O prim\u0103 etap\u0103 crucial\u0103 va avea loc joi, la ora 12:00 GMT, c\u00e2nd cele dou\u0103 sonde &#8211; \u00eenc\u0103 conectate &#8211; se vor desprinde de modulul de transfer care le-a propulsat p\u00e2n\u0103 \u00een acel punct.<\/p>\n<p>&#8216;Va fi echivalentul unei lans\u0103ri. Cu diferen\u021ba c\u0103 vehiculul se va afla \u00een apropierea unei alte planete&#8217;, la doar 63 de milioane de kilometri de Soare \u0219i la 200 de milioane de kilometri de P\u0103m\u00e2nt, a precizat Ignacio Tanco.<\/p>\n<p>&#8216;La aceast\u0103 distan\u021b\u0103, orice opera\u021biune \u00een timp real este imposibil\u0103. Putem efectua verific\u0103ri de la sol, dar \u00eentre momentul \u00een care le realiz\u0103m \u0219i cel \u00een care comanda ajunge la vehicul, au trecut cel pu\u021bin 32 de minute, iar situa\u021bia poate s\u0103 se fi schimbat&#8217;, a explicat el.<\/p>\n<p>Vehiculul va proceda \u00een mod autonom la deta\u0219area celor patru picioare mecanice care leag\u0103 sondele orbitale de modulul de transfer. Un mecanism cu arc va \u00eempinge u\u0219or cele dou\u0103 sonde la distan\u021b\u0103, cu o &#8216;vitez\u0103 de c\u00e2\u021biva centimetri pe secund\u0103&#8217;.<\/p>\n<p>Numeroase elemente vor fi testate \u00een premier\u0103 \u00een acel moment, printre care sistemul electric, controlul termic, sistemul de control al atitudinii \u0219i al orbitei sau propulsia.<\/p>\n<p>La sf\u00e2r\u0219itul lunii noiembrie sau \u00eenceputul lunii decembrie, va urma o nou\u0103 etap\u0103 delicat\u0103, odat\u0103 cu separarea celor dou\u0103 sonde, fiecare ocup\u00e2ndu-\u0219i propria orbit\u0103.<\/p>\n<p>&#8216;Ce ar putea merge prost? Probabil ar fi mai u\u0219or s\u0103 enumer\u0103m cele c\u00e2teva elemente care nu pot merge prost&#8217;, a declarat Tanco. Dar &#8216;dispunem de flexibilitatea \u0219i capacit\u0103\u021bile necesare pentru a reac\u021biona \u0219i a ne adapta&#8217;, a dat asigur\u0103ri specialistul.<\/p>\n<p>Cu cele 16 instrumente ale sale \u0219i un buget de 1,7 miliarde de euro, misiunea va putea atunci &#8216;s\u0103 ofere umanit\u0103\u021bii \u0219i comunit\u0103\u021bii \u0219tiin\u021bifice imagini inedite ale planetei Mercur \u0219i s\u0103 deschid\u0103 un nou capitol \u00een \u00een\u021belegerea noastr\u0103 asupra Sistemului Solar&#8217;, a declarat entuziasmat\u0103 Santa Martinez, responsabil\u0103 pentru misiunea BepiColombo \u00een cadrul ESA.<\/p>\n<p>Aceast\u0103 mic\u0103 planet\u0103, survolat\u0103 pentru prima dat\u0103 \u00een 1974 de sonda Mariner 10 \u0219i apoi \u00een 2011 de MESSENGER, a r\u0103mas o enigm\u0103.<\/p>\n<p>BepiColombo va studia atmosfera sa foarte rarefiat\u0103, numit\u0103 exosfer\u0103, \u0219i c\u00e2mpul s\u0103u magnetic. Mercur este singura planet\u0103 st\u00e2ncoas\u0103 din Sistemul Solar, \u00een afar\u0103 de P\u0103m\u00e2nt, care are c\u00e2mp magnetic.<\/p>\n<p>Prin cartografierea \u00eentregii sale suprafe\u021be la o rezolu\u021bie foarte \u00eenalt\u0103, oamenii de \u0219tiin\u021b\u0103 doresc s\u0103 \u00een\u021beleag\u0103 mai bine activitatea vulcanic\u0103 din trecutul planetei \u0219i densitatea sa uimitoare \u0219i s\u0103 verifice dac\u0103, a\u0219a cum sugereaz\u0103 anumite indicii, polii s\u0103i, afla\u021bi ve\u0219nic \u00een umbr\u0103, con\u021bin ghea\u021b\u0103 pe baz\u0103 de ap\u0103.<\/p>\n<p>De asemenea, speciali\u0219tii sper\u0103 s\u0103 dezlege misterul structurilor unice de pe Mercur numite &#8216;hollows&#8217;. Descoperite de sonda MESSENGER, &#8216;aceste depresiuni de la suprafa\u021ba planetei dau impresia c\u0103 aceasta este erodat\u0103 \u00een mod progresiv \u0219i par s\u0103 fie legate de prezen\u021ba unor substan\u021be volatile care se evapor\u0103 sau se sublimeaz\u0103 (trec din stare solid\u0103 \u00een stare gazoas\u0103, n.r.) foarte u\u0219or&#8217;, a explicat Geraint Jones, \u0219eful proiectului \u0219tiin\u021bific al misiunii.<\/p>\n<p>&#8216;\u00cen esen\u021b\u0103, vrem s\u0103 \u00een\u021belegem originile acestei planete \u0219i modul \u00een care a ajuns s\u0103 fie ceea ce este. Studiind mai \u00een detaliu aceste corpuri cere\u0219ti, afl\u0103m, de asemenea, cum s-a format planeta noastr\u0103 \u0219i cum a ajuns s\u0103 fie a\u0219a cum o cunoa\u0219tem ast\u0103zi&#8217;, a subliniat omul de \u0219tiin\u021b\u0103. AGERPRES\/(AS &#8211; redactor: Dana Purgaru, editor online: Ady Iva\u015fcu)<\/p>\n<\/div>\n<div class=\"mx-auto pt-3\">\n                                Afisari: 108\n                            <\/div>\n<p>[analyse_source url=&#8221;https:\/\/agerpres.ro\/stiinta\/2026\/09\/03\/misiunea-bepicolombo-isi-incepe-insertia-pe-orbita-planetei-mercur&#8211;1590285&#8243;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/agerpres.ro\/data\/202609\/20260903120603_357402.jpg&#8221;] Dup\u0103 opt ani de c\u0103l\u0103torie c\u0103tre planeta Mercur, cea mai mic\u0103 \u0219i mai pu\u021bin cunoscut\u0103 planet\u0103 din Sistemul Solar, sonda dubl\u0103 euro-japonez\u0103 BepiColombo \u00eencepe joi o manevr\u0103 riscant\u0103 c\u0103tre destina\u021bia sa final\u0103, transmite AFP. Lansat\u0103 \u00een octombrie 2018, sonda de patru tone a parcurs o distan\u021b\u0103 de peste 10 miliarde de kilometri [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[37,226],"class_list":["post-2125963","post","type-post","status-publish","format-standard","hentry","category-politics","tag-agerpres-ro","tag-crawlmanager"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2125963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2125963"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2125963\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2125963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2125963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2125963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}