{"id":435818,"date":"2020-10-21T07:11:33","date_gmt":"2020-10-21T05:11:33","guid":{"rendered":"https:\/\/hudo.com\/si\/2020\/10\/21\/nasina-sonda-uspesno-pobrala-vzorec-z-asteroida\/"},"modified":"2020-10-21T07:11:33","modified_gmt":"2020-10-21T05:11:33","slug":"nasina-sonda-uspesno-pobrala-vzorec-z-asteroida","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/lifestyle\/nasina-sonda-uspesno-pobrala-vzorec-z-asteroida\/","title":{"rendered":"Nasina sonda uspe\u0161no pobrala vzorec z asteroida"},"content":{"rendered":"<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" \/><figcaption>Ilustracija na\u010drtovane operacije sonde Osiris Rex na asteroidu Bennu (foto:Profimedia)<\/figcaption><\/figure>\n<p>Sonda se je asteroidu Bennu pribli\u017eevala s pol\u017ejo hitrostjo, pribli\u017eno 0,3 kilometra na uro, nato pa pristala na povr\u0161ini asteroida za pet sekund in pobrala vzorce. Zatem je sonda uspe\u0161no pognala svoje pogonske motorje in se odlepila od povr\u0161ine asteroida, je po poro\u010danju nem\u0161ke tiskovne agencije dpa sporo\u010dila ameri\u0161ka vesoljska agencija Nasa.<\/p>\n<h2>Raziskovanje izvora na\u0161ega oson\u010dja<\/h2>\n<p>Operacija je \u0161la po na\u010drtih. Sonda je uspe\u0161no iztegnila robotsko roko, iztisnila plin, ki je privzdignil in zavrtin\u010dil zgornje plasti povr\u0161ja, ter ujela med 60 do 2000 gramov vzorca. Njena vrnitev skupaj z vzorcem asteroida je predvidena septembra 2023.<\/p>\n<p>Do stika med asteroidom in sondo je pri\u0161lo malo po polno\u010di po srednjeevropskem \u010dasu, ko sta bila od Zemlje oddaljena pribli\u017eno 330 milijonov kilometrov. Celoten postopek je avtomatiziran, saj niti ni druge mo\u017enosti. Radijski signali namre\u010d zaradi velike razdalje potrebujejo okoli 18 minut.<\/p>\n<p>&#8220;Preu\u010devanje tega vzorca bo znanstvenikom pomagalo raziskati izvor na\u0161ega Oson\u010dja in izvor \u017eivljenja na Zemlji ter kako Son\u010dev veter vpliva na male svetove, kot je Bennu,&#8221; so tvitnili iz Nase.<\/p>\n<p>Osiris Rex se je na pot v vesolje podala septembra 2016 in dve leti pozneje dospela v bli\u017eino Bennuja. Odtlej pribli\u017eno \u0161est metrov dolga in 2100 kilogramov te\u017eka sonda kro\u017ei okoli asteroida in ga preiskuje s svojimi instrumenti in kamerami.<\/p>\n<p>\u010crn asteroid, ki je dobil ime po starodavnem egip\u010danskem bo\u017eanstvu, v premeru meri nekaj ve\u010d kot 500 metrov in bi lahko \u010dez ve\u010d kot 150 let pri\u0161el precej blizu Zemlji, pri \u010demer pa je nevarnost trka majhna, \u0161e navaja dpa.<\/p>\n<p>Nasa pri tej pribli\u017eno milijardo dolarjev vredni misiji tesno sodeluje tudi z japonsko vesoljsko agencijo, saj je njena sonda Hayabusa-2 lani uspe\u0161no pridobila vzorec drugega asteroida, poimenovanega Ryugu. Misija se z okrog 100 miligramov te\u017ekim vzorcem domov vra\u010da decembra. Njena predhodnica Hayabusa pa je leta 2010 na Zemljo prinesla sploh prvi tovrstni vzorec dotlej.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ameri\u0161ka sonda Osiris Rex je v torek uspe\u0161no pobrala vzorec z asteroida. Ta zgodovinski podvig je trajal pribli\u017eno \u0161tiri ure in pol.<\/p>\n","protected":false},"author":1,"featured_media":435819,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[8517,4195,2023,1645],"source":[1522,1518,1527],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nasina sonda uspe\u0161no pobrala vzorec z asteroida - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/lifestyle\/nasina-sonda-uspesno-pobrala-vzorec-z-asteroida\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nasina sonda uspe\u0161no pobrala vzorec z asteroida - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Ameri\u0161ka sonda Osiris Rex je v torek uspe\u0161no pobrala vzorec z asteroida. 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