{"id":65693,"date":"2017-05-14T15:15:46","date_gmt":"2017-05-14T18:15:46","guid":{"rendered":"https:\/\/espacoecologico.com.br\/arquivo\/?p=65693"},"modified":"2017-05-14T15:15:48","modified_gmt":"2017-05-14T18:15:48","slug":"nasa-ja-sabe-qual-vai-ser-a-primeira-profissao-em-marte-pedreiro","status":"publish","type":"post","link":"https:\/\/espacoecologico.com.br\/arquivo\/nasa-ja-sabe-qual-vai-ser-a-primeira-profissao-em-marte-pedreiro\/","title":{"rendered":"Nasa j\u00e1 sabe qual vai ser a primeira profiss\u00e3o em Marte: pedreiro"},"content":{"rendered":"<p><script src=\"http:\/\/b.scorecardresearch.com\/c2\/6906435\/cs.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/cdn.teads.tv\/media\/format\/v3\/teads-format.min.js?201751415\" async=\"\"><\/script><script src=\"\/\/cdn.teads.tv\/media\/format.js\" async=\"\"><\/script><script src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/osd.js\"><\/script><script id=\"ttcustomaudienceTT-11980-6\" 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src=\"http:\/\/ads.rubiconproject.com\/header\/11134.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"\/\/cdn.tinypass.com\/api\/tinypass.min.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/connect.facebook.net\/signals\/config\/1783600831964741?v=2.7.9\" async=\"\"><\/script><script src=\"https:\/\/connect.facebook.net\/signals\/config\/1869534393278100?v=2.7.9\" async=\"\"><\/script><script src=\"https:\/\/connect.facebook.net\/en_US\/fbevents.js\" async=\"\"><\/script><script src=\"\/\/www.google-analytics.com\/analytics.js\" async=\"\"><\/script><script src=\"http:\/\/www.google-analytics.com\/analytics.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/www.google-analytics.com\/ga.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"\/\/experience.tinypass.com\/xbuilder\/experience\/load?aid=3vxSO5Sezi\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"\/\/www.googletagmanager.com\/gtm.js?id=GTM-MMNHP8\" async=\"\"><\/script><script src=\"\/\/ads.rubiconproject.com\/header\/11134.js\"><\/script><\/p>\n<div class=\"container main-container \">\n<div class=\"row\">\n<div class=\"col-md-8\">\n<article id=\"post-178904\" class=\"article\">\n<section class=\"article-content\"><a href=\"https:\/\/espacoecologico.com.br\/arquivo\/nasa-ja-sabe-qual-vai-ser-a-primeira-profissao-em-marte-pedreiro\/marte-17\/\" rel=\"attachment wp-att-65694\"><img loading=\"lazy\" class=\"alignleft size-medium wp-image-65694\" src=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte-300x192.jpg\" alt=\"\" width=\"300\" height=\"192\" srcset=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte-300x192.jpg 300w, https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg 415w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Se voc\u00ea chegasse a uma ilha deserta, o que faria para sobreviver? Criar um abrigo provavelmente estaria entre as suas prioridades. Esse pensamento tamb\u00e9m se aplica aos pesquisadores da Nasa, que est\u00e3o estudando as condi\u00e7\u00f5es para a primeira miss\u00e3o tripulada \u00e0 Marte.<\/p>\n<p>A viagem \u00e9 longa e n\u00e3o d\u00e1 para levar muita coisa. A conclus\u00e3o da ag\u00eancia, portanto, \u00e9 que as primeiras pessoas a criar instala\u00e7\u00f5es em Marte v\u00e3o ter que aprender a construir com o pr\u00f3prio material dispon\u00edvel por l\u00e1.<\/p>\n<p>Mas n\u00e3o adianta mandar pedreiros para Marte se n\u00e3o sabemos se o solo do planeta serve para alguma coisa. E \u00e9 isso que a Nasa investiga atualmente.<\/p>\n<p>Em um estudo <a href=\"http:\/\/nature.com\/articles\/doi:10.1038\/s41598-017-01157-w\">rec\u00e9m-publicado<\/a>, pesquisadores usaram um material t\u00e3o parecido com a composi\u00e7\u00e3o qu\u00edmica da superf\u00edcie de Marte que tem o nome de Mars-1a. Uma areia de cristaizinhos min\u00fasculos, ele \u00e9 rico em nanopart\u00edculas de \u00f3xido de ferro.<\/p>\n<p>O Mars-1a j\u00e1 existe h\u00e1 um tempo, mas os cientistas precisavam fazer malabarismos para transformar aquela areia em tijolos. Um n\u00famero enorme de reagentes qu\u00edmicos, pol\u00edmeros e calor era necess\u00e1rio para \u201cdar liga\u201d na gororoba. Pouco pr\u00e1tico para os pedreiros rec\u00e9m-chegados a Marte.<\/p>\n<div id=\"attachment_178878\" class=\"wp-caption alignnone\" style=\"width: 649px;\"><img loading=\"lazy\" class=\"alignnone  wp-image-178878\" src=\"https:\/\/abrilsuperinteressante.files.wordpress.com\/2017\/05\/tijolo.png\" sizes=\"(max-width: 1024px) 100vw, 1024px\" alt=\"\" width=\"639\" height=\"426\" border=\"0\" data-image-title=\"Tijolos feitos com solo de Marte podem ser mais fortes que concreto armado\" data-image-caption=\"\" data-portal-copyright=\"BRIAN J. CHOW AND YU QIAO\" data-restrict=\"false\" data-large-file=\"https:\/\/abrilsuperinteressante.files.wordpress.com\/2017\/05\/tijolo.png?w=1024&amp;h=682?w=1024\" data-medium-file=\"https:\/\/abrilsuperinteressante.files.wordpress.com\/2017\/05\/tijolo.png?w=1024&amp;h=682?w=300\" data-image-description=\"\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-comments-opened=\"1\" data-orig-size=\"1024,682\" data-orig-file=\"https:\/\/abrilsuperinteressante.files.wordpress.com\/2017\/05\/tijolo.png?w=1024&amp;h=682\" data-permalink=\"http:\/\/super.abril.com.br\/ciencia\/nasa-ja-sabe-qual-vai-ser-a-1a-profissao-em-marte-pedreiro\/attachment\/tijolo-2\/\" data-attachment-id=\"178878\" \/><\/p>\n<p class=\"wp-caption-text\"><script src=\"http:\/\/b.scorecardresearch.com\/c2\/6906435\/cs.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/cdn.teads.tv\/media\/format\/v3\/teads-format.min.js?201751415\" async=\"\"><\/script><script src=\"\/\/cdn.teads.tv\/media\/format.js\" async=\"\"><\/script><script src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/osd.js\"><\/script><script id=\"ttcustomaudienceTT-11980-6\" src=\"http:\/\/TT-11980-6.seg.t.tailtarget.com\/ca?tZ=48612628&amp;env=_ttq_tt_abril\" async=\"\" type=\"text\/javascript\"><\/script><script 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Leonardi\"}],\"publisher\":{\"@type\":\"Organization\",\"name\":\"Superinteressante\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/abrilsuperinteressante.files.wordpress.com\/2017\/01\/screen-shot-2017-01-13-at-7-13-38-pm.png?w=150\",\"width\":150,\"height\":58}},\"description\":\"Desde j\u00e1, especialistas est\u00e3o aprendendo a usar materiais pr\u00f3prios do Planeta Vermelho para construir estruturas humanas.\"}\n\/\/ ]]><\/script><script src=\"https:\/\/s2.wp.com\/_static\/??-eJyFjuEKwjAMhF\/I2k2G4A\/xWboZZ2qb1ibd0Ke3k+2HOBQCCZePu9NjVEidy2dgbcvcM6THvLaWN\/oXoDz2yQhsPdICd4EESCbWhxYdqMyQTF+0YnQJK1wMLB6YC7Ty\/ayENCCMfzELEk13UwkYn1+ucoWSpweM2rQJnfKGBZKOLvdIPIsLHdFQePecjuJ18se6OTRVXe+qvX0BVhB4ig==\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdn.tinypass.com\/api\/tinypass-gtp.min.js?ver=4.7.4\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/underscore.js\/1.5.2\/underscore-min.js\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdn.boomtrain.com\/analyticstrain\/abril-superinteressante\/analyticstrain.min.js\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/d3r7h55ola878c.cloudfront.net\/btn\/1.0.7\/nudgespot-loader.js\" type=\"text\/javascript\"><\/script><script src=\"\/\/www.npttech.com\/advertising.js\" async=\"true\"><\/script><script src=\"http:\/\/rtax.criteo.com\/delivery\/rta\/rta.js?netId=4317&amp;cookieName=crtg_rta&amp;rnd=49897981900&amp;varName=crtg_content\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/x-abril.inventorycdn.com\/js?cookie=rh_abril\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/securepubads.g.doubleclick.net\/gpt\/pubads_impl_117.js\" async=\"\"><\/script><\/p>\n<div class=\"container main-container \">\n<div class=\"row\">\n<div class=\"col-md-8\">\n<article id=\"post-178904\" class=\"article\">\n<section class=\"article-content\">A grande descoberta dos pesquisadores foi que, afinal, n\u00e3o era necess\u00e1rio misturar o solo marciano com nenhum ingrediente. S\u00f3 apert\u00e1-lo.<\/p>\n<p>Os cientistas compactaram o material a condi\u00e7\u00f5es de alta press\u00e3o, s\u00f3 para ver o que acontecia. Resultado: uma rocha mais resistente que concreto armado. Com a compreens\u00e3o, as part\u00edculas de \u00f3xido de ferro serviam como agente de liga\u00e7\u00e3o no material, que poderia ser moldado no formato de tijolos.<\/p>\n<p>Mas quanta for\u00e7a \u00e9 necess\u00e1ria? Para alguns mil\u00edmetros de volume, basta o equivalente a uma martelada. O pr\u00f3ximo passo \u00e9 fazer o mesmo com quantidades maiores de solo.<\/p>\n<p>A grande d\u00favida, por\u00e9m, n\u00e3o \u00e9 se conseguir\u00edamos transportar a tecnologia de compress\u00e3o \u00e0 Marte. Isso \u00e9 poss\u00edvel, mas a Nasa precisa estar convencida de que vale a pena.<\/p>\n<p>Para isso, precisamos saber se o solo marciano reagiria da mesma forma que a simula\u00e7\u00e3o que fizemos na Terra. E isso s\u00f3 vai ser poss\u00edvel quando trouxermos diferentes amostras dele para testes por aqui.<\/p>\n<p>Mas se voc\u00ea tem interesse em ser pedreiro espacial, n\u00e3o perca as esperan\u00e7as: o pr\u00f3prio autor da pesquisa j\u00e1 anunciou que estaria <a href=\"http:\/\/now.howstuffworks.com\/2017\/04\/28\/turning-martian-soil-building-blocks-colonists\" target=\"_blank\" rel=\"noopener noreferrer\">mais que satisfeito<\/a> em ser o oleiro oficial do Planeta Vermelho.<\/p>\n<\/section>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Se voc\u00ea chegasse a uma ilha deserta, o que faria para sobreviver? Criar um abrigo<\/p>\n","protected":false},"author":6,"featured_media":65694,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"uagb_featured_image_src":{"full":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"thumbnail":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte-150x150.jpg",150,150,true],"medium":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte-300x192.jpg",300,192,true],"medium_large":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"large":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"1536x1536":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"2048x2048":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"cream-magazine-thumbnail-2":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"cream-magazine-thumbnail-3":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false],"cream-magazine-thumbnail-4":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/marte.jpg",415,265,false]},"uagb_author_info":{"display_name":"","author_link":"https:\/\/espacoecologico.com.br\/arquivo\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Se voc\u00ea chegasse a uma ilha deserta, o que faria para sobreviver? Criar um abrigo","_links":{"self":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/65693"}],"collection":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/comments?post=65693"}],"version-history":[{"count":0,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/65693\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/media\/65694"}],"wp:attachment":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/media?parent=65693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/categories?post=65693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/tags?post=65693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}