{"id":25763,"date":"2017-05-29T18:19:16","date_gmt":"2017-05-29T15:19:16","guid":{"rendered":"http:\/\/btv.md\/?p=25763"},"modified":"2017-05-29T18:19:16","modified_gmt":"2017-05-29T15:19:16","slug":"nasa-se-grabeste-sa-ajunga-la-un-asteroid-metalic","status":"publish","type":"post","link":"https:\/\/www.btv.md\/ro\/nasa-se-grabeste-sa-ajunga-la-un-asteroid-metalic\/","title":{"rendered":"NASA se gr\u0103be\u0219te s\u0103 ajung\u0103 la un asteroid metalic"},"content":{"rendered":"<p><strong>NASA are planuri mari legate de spa\u021biu, iar misiunile f\u0103r\u0103 echipaj \u00eenregistreaz\u0103 succese \u00een fiecare zi. Planurile agen\u021biei spa\u021biale de a trimite oameni pe Marte \u00eenregistreaz\u0103 ceva piedeci, \u00eens\u0103 programele spa\u021biale care nu se bazeaz\u0103 pe echipaje o duc destul de bine. <\/strong><\/p>\n<p>NASA a anun\u021bat \u00een acest an c\u0103 a aprobat o misiune, Psyche, care se va \u00eendrepta c\u0103tre centura de asteroizi. Acum, \u00eens\u0103, agen\u021bia a revenit asupra planurilor misiunii, iar schimb\u0103rile sunt destul de importante.<\/p>\n<p>Psyche 16 este un asteroid metalic, despre care se crede c\u0103 ar fi r\u0103m\u0103\u0219i\u021bele unui nucleu planetar. Prin studierea asteroidului, cercet\u0103torii sper\u0103 c\u0103 pot \u00eenv\u0103\u021ba mai multe despre P\u0103m\u00e2nt, dar \u0219i despre formarea planetelor din sistemul solar, scrie\u00a0<a href=\"https:\/\/playtech.ro\/2017\/nasa-se-grabeste-sa-ajunga-la-un-asteroid-metalic\/\">playtech.ro<\/a>.<\/p>\n<p>Misiunea trebuia s\u0103 debuteze \u00een 2023, iar nava spa\u021bial\u0103 ar fi trebuit s\u0103 ajung\u0103 la asteroid \u00een 2030. Cu toate acestea, NASA a f\u0103cut eforturi pentru a afla dac\u0103 nava ar putea fi lansat\u0103 mai devreme. Dup\u0103 ce au fost studiate mai multe traiectorii, ace\u0219tia au descoperit c\u0103, dac\u0103 sonda p\u0103r\u0103se\u0219te P\u0103m\u00e2ntul \u00een 2022, ar putea ajunge \u00een 2026 la Psyche 6, scrie angadget.com.<\/p>\n<p>Ini\u021bial, planul misiunii era ca sonda s\u0103 se foloseasc\u0103 de dou\u0103 ori de asisten\u021ba gravita\u021bional\u0103, o dat\u0103 \u00een 2024, cu ajutorul P\u0103m\u00e2ntului, iar a doua oar\u0103 \u00een 2025, datorit\u0103 lui Marte. Astfel de asisten\u021be ajut\u0103 nava s\u0103-\u0219i schimbe direc\u021bia \u0219i viteza f\u0103r\u0103 s\u0103 \u00ee\u0219i foloseasc\u0103 motoarele. Traiectoria ajustat\u0103 a lans\u0103rii din 2022 \u00eenseamn\u0103 c\u0103 va fi nevoie doar de asisten\u021ba gravita\u021bional\u0103 a planetei Marte.<\/p>\n<p>Psyche este parte din programul Discovery al NASA, care este o serie de misiuni spa\u021biale robotizate cu costuri reduse (de cel mult 450 de milioane de dolari). Asteroidul-\u021bint\u0103 are un diametru de 210 kilometri \u0219i este compus din fier \u0219i nichel, elementele fiind acelea\u0219i din interiorul nucleului planetei noastre.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NASA are planuri mari legate de spa\u021biu, iar misiunile f\u0103r\u0103 echipaj \u00eenregistreaz\u0103 succese \u00een fiecare zi. Planurile agen\u021biei spa\u021biale de a trimite oameni pe Marte \u00eenregistreaz\u0103 ceva piedeci, \u00eens\u0103 programele spa\u021biale care nu se bazeaz\u0103 pe echipaje o duc destul de bine. NASA a anun\u021bat \u00een acest an c\u0103 a aprobat o misiune, Psyche, care [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":25764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6354],"tags":[],"class_list":["post-25763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-externe-ro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NASA se gr\u0103be\u0219te s\u0103 ajung\u0103 la un asteroid metalic<\/title>\n<meta name=\"description\" content=\"NASA are planuri mari legate de spa\u021biu, iar misiunile f\u0103r\u0103 echipaj \u00eenregistreaz\u0103 succese \u00een fiecare zi. 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