{"id":319190,"date":"2023-12-14T18:55:50","date_gmt":"2023-12-14T21:55:50","guid":{"rendered":"https:\/\/www.notibras.com\/site\/?p=319190"},"modified":"2023-12-14T18:55:50","modified_gmt":"2023-12-14T21:55:50","slug":"material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados","status":"publish","type":"post","link":"https:\/\/www.notibras.com\/site\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\/","title":{"rendered":"Material misterioso obtido de Bennu deixa cientistas intrigados"},"content":{"rendered":"<p>Os cientistas est\u00e3o intrigados com uma descoberta desconcertante em amostras recuperadas do asteroide Bennu pela sonda OSIRIS-REx da NASA, uma descoberta que parece desafiar a compreens\u00e3o atual.<\/p>\n<p>As amostras do aster\u00f3ide de 3 bilh\u00f5es de anos que foram coletadas no final de 2020 e descritas como escuras, ricas em carbono e carregadas de mol\u00e9culas org\u00e2nicas se assemelham a \u201cpedregulhos montanhosos\u201d com uma textura \u00e1spera e \u00fanica.<\/p>\n<p>Curiosamente, Dante Lauretta, pesquisador principal da miss\u00e3o, observou durante uma confer\u00eancia realizada pela Uni\u00e3o Geof\u00edsica Americana que estas part\u00edculas t\u00eam tend\u00eancia a aderir a qualquer superf\u00edcie que tocam.<\/p>\n<p>\u201cDefinitivamente temos remanescentes hidratados e ricos em mat\u00e9ria org\u00e2nica do in\u00edcio do Sistema Solar, que \u00e9 exatamente o que esper\u00e1vamos quando concebemos esta miss\u00e3o h\u00e1 quase 20 anos\u201d, disse Lauretta.<\/p>\n<p>A espa\u00e7onave OSIRIS-Rex, projetada para um breve contato de seis segundos com Bennu, mergulhou inesperadamente mais fundo e por mais tempo na superf\u00edcie do asteroide.<\/p>\n<p>Isso levou a uma coleta excessiva de material, fazendo com que parte dele escapasse da cabe\u00e7a do coletor de amostras para a tampa externa, devido a uma pedra que emperrou a abertura de uma pequena aba.<\/p>\n<p>Atualmente, os t\u00e9cnicos enfrentam desafios no acesso \u00e0 maior parte da amostra coletada devido a dois fixadores defeituosos. Enquanto aguardam novas ferramentas, as autoridades conseguiram recolher 70,3 gramas do material, superando os 60 gramas previstos.<\/p>\n<p>A an\u00e1lise espectral inicial do material revelou uma assinatura espectral azul dominante inexplic\u00e1vel, sugerindo um conte\u00fado de \u00e1gua possivelmente mais elevado do que o esperado. Al\u00e9m disso, as amostras apresentam altos n\u00edveis de magn\u00e9sio, s\u00f3dio e f\u00f3sforo, o que aumenta o mist\u00e9rio.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Os cientistas est\u00e3o intrigados com uma descoberta desconcertante em amostras recuperadas do asteroide Bennu pela sonda OSIRIS-REx da NASA, uma descoberta que parece desafiar a compreens\u00e3o atual. As amostras do aster\u00f3ide de 3 bilh\u00f5es de anos que foram coletadas no final de 2020 e descritas como escuras, ricas em carbono e carregadas de mol\u00e9culas org\u00e2nicas [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":319191,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[155],"tags":[95],"class_list":["post-319190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-leitura-vip","tag-capa"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Material misterioso obtido de Bennu deixa cientistas intrigados - Notibras<\/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:\/\/www.notibras.com\/site\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Material misterioso obtido de Bennu deixa cientistas intrigados - Notibras\" \/>\n<meta property=\"og:description\" content=\"Os cientistas est\u00e3o intrigados com uma descoberta desconcertante em amostras recuperadas do asteroide Bennu pela sonda OSIRIS-REx da NASA, uma descoberta que parece desafiar a compreens\u00e3o atual. As amostras do aster\u00f3ide de 3 bilh\u00f5es de anos que foram coletadas no final de 2020 e descritas como escuras, ricas em carbono e carregadas de mol\u00e9culas org\u00e2nicas [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.notibras.com\/site\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\/\" \/>\n<meta property=\"og:site_name\" content=\"Notibras\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/notibras\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-14T21:55:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.notibras.com\/site\/wp-content\/uploads\/2023\/12\/bennu.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1079\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Reda\u00e7\u00e3o\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Notibras\" \/>\n<meta name=\"twitter:site\" content=\"@Notibras\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Reda\u00e7\u00e3o\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\\\/\"},\"author\":{\"name\":\"Reda\u00e7\u00e3o\",\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/#\\\/schema\\\/person\\\/36ab0979449956132d3e5b517ea76ac8\"},\"headline\":\"Material misterioso obtido de Bennu deixa cientistas intrigados\",\"datePublished\":\"2023-12-14T21:55:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\\\/\"},\"wordCount\":295,\"publisher\":{\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/wp-content\\\/uploads\\\/2023\\\/12\\\/bennu.webp\",\"keywords\":[\"capa\"],\"articleSection\":[\"Leitura Vip\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\\\/\",\"url\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/material-misterioso-obtido-de-bennu-deixa-cientistas-intrigados\\\/\",\"name\":\"Material misterioso obtido de Bennu deixa cientistas intrigados - 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