{"id":4339,"date":"2015-09-29T10:00:11","date_gmt":"2015-09-29T08:00:11","guid":{"rendered":"http:\/\/www.pensieriparole.it\/magazine\/?p=4339"},"modified":"2015-09-29T10:05:50","modified_gmt":"2015-09-29T08:05:50","slug":"mistero-risolto-su-marte-scorre-acqua-salata","status":"publish","type":"post","link":"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata","title":{"rendered":"Mistero risolto: su Marte scorre acqua salata"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p>La prova arriva da <strong>MRO<\/strong>\u00a0(<em>Mars Reconnaissance Orbiter<\/em>), la sonda spaziale polifunzionale americana lanciata il 12 agosto 2005: <strong>su Marte scorrono piccoli ruscelli di acqua salata durante i mesi estivi<\/strong>, lasciando striature scure la cui origine era un mistero.<\/p>\n<p>I ricercatori hanno utilizzato i dati provenienti dallo spettrometro di MRO \u2013\u00a0uno strumento che pu\u00f2 determinare il tipo di minerale osservando particolari lunghezze d\u2019onda della luce \u2013\u00a0e hanno capito che le linee stagionali sono composte da sali con acqua all\u2019interno dei loro cristalli. Secondo lo studio della NASA, l\u2019acqua ha quindi un ruolo chiave nella formazione delle striature osservabili periodicamente su alcuni pendii del pianeta durante la stagione calda marziana.<\/p>\n\r\n                <style type=\"text\/css\">\r\n                    \r\n                    #tdi_1  .td-doubleSlider-2 .td-item1 {\r\n                        background: url(https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529611-8307af36-9467-4838-899a-dec90a9bb0e0-80x60.jpg) 0 0 no-repeat;\r\n                    }\r\n                    #tdi_1  .td-doubleSlider-2 .td-item2 {\r\n                        background: url(https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529612-07657fe6-3dec-439f-bb84-954624fbd88b-80x60.jpg) 0 0 no-repeat;\r\n                    }\r\n                    #tdi_1  .td-doubleSlider-2 .td-item3 {\r\n                        background: 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title=\"175529611-8307af36-9467-4838-899a-dec90a9bb0e0\"  data-caption=\"\"  data-description=\"\">\r\n                                <img src=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529611-8307af36-9467-4838-899a-dec90a9bb0e0-325x420.jpg\" srcset=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529611-8307af36-9467-4838-899a-dec90a9bb0e0-325x420.jpg 325w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529611-8307af36-9467-4838-899a-dec90a9bb0e0-232x300.jpg 232w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529611-8307af36-9467-4838-899a-dec90a9bb0e0.jpg 510w\" sizes=\"(max-width: 325px) 100vw, 325px\" alt=\"\">\r\n                            <\/a>\r\n                            \r\n                        <\/figure>\r\n                    <\/div>\r\n                    <div class = \"td-slide-item td-item2\">\r\n                        <figure class=\"td-slide-galery-figure td-slide-popup-gallery\">\r\n                            <a class=\"slide-gallery-image-link\" href=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529612-07657fe6-3dec-439f-bb84-954624fbd88b.jpg\" title=\"175529612-07657fe6-3dec-439f-bb84-954624fbd88b\"  data-caption=\"\"  data-description=\"\">\r\n                                <img src=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529612-07657fe6-3dec-439f-bb84-954624fbd88b-560x420.jpg\" srcset=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529612-07657fe6-3dec-439f-bb84-954624fbd88b-560x420.jpg 560w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529612-07657fe6-3dec-439f-bb84-954624fbd88b-300x225.jpg 300w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/175529612-07657fe6-3dec-439f-bb84-954624fbd88b-80x60.jpg 80w, 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title=\"182340049-92872407-1f62-41e4-8470-5714e960688a\"  data-caption=\"\"  data-description=\"\">\r\n                                <img src=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/182340049-92872407-1f62-41e4-8470-5714e960688a-809x420.jpg\" srcset=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/182340049-92872407-1f62-41e4-8470-5714e960688a-809x420.jpg 809w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/182340049-92872407-1f62-41e4-8470-5714e960688a-300x156.jpg 300w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/182340049-92872407-1f62-41e4-8470-5714e960688a-640x332.jpg 640w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/182340049-92872407-1f62-41e4-8470-5714e960688a-681x354.jpg 681w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/182340049-92872407-1f62-41e4-8470-5714e960688a.jpg 990w\" sizes=\"(max-width: 809px) 100vw, 809px\" alt=\"\">\r\n                            <\/a>\r\n                            \r\n                        <\/figure>\r\n                    <\/div>\r\n                    <div class = \"td-slide-item td-item8\">\r\n                        <figure class=\"td-slide-galery-figure td-slide-popup-gallery\">\r\n                            <a class=\"slide-gallery-image-link\" href=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte.jpg\" title=\"Acqua su Marte\"  data-caption=\"Le strisce nere visibili sulla superficie di alcuni pendii su Marte indicano il passaggio di acqua allo stato liquido\r\r(NASA.gov)\"  data-description=\"\">\r\n                                <img src=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte-809x420.jpg\" srcset=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte-809x420.jpg 809w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte-300x156.jpg 300w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte-640x332.jpg 640w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte-681x354.jpg 681w, https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/canali-marte.jpg 980w\" sizes=\"(max-width: 809px) 100vw, 809px\" alt=\"\">\r\n                            <\/a>\r\n                            <figcaption class = \"td-slide-caption td-gallery-slide-content\"><div class = \"td-gallery-slide-copywrite\">Le strisce nere visibili sulla superficie di alcuni pendii su Marte indicano il passaggio di acqua allo stato liquido\r\r(NASA.gov)<\/div><\/figcaption>\r\n                        <\/figure>\r\n                    <\/div>\r\n                            <\/div>\r\n                        <\/div>\r\n\r\n                        <div class = \"td-doubleSlider-2\">\r\n                            <div class = \"td-slider\">\r\n                                \r\n                    <div class = \"td-button td-item1\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item2\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item3\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item4\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item5\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item6\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item7\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                    <div class = \"td-button td-item8\">\r\n                        <div class = \"td-border\"><\/div>\r\n                    <\/div>\r\n                            <\/div>\r\n                        <\/div>\r\n\r\n                    <\/div>\r\n\r\n                <\/div>\r\n                \n<p>La <em><strong>Nasa<\/strong><\/em> ha organizzato quindi il 28 settembre a\u00a0Washington una conferenza dal titolo: &#8220;<em><strong>Mistero risolto<\/strong><\/em>&#8220;, lasciando con il fiato sospeso per ore gli appassionati. Protagonista della scoperta\u00a0<strong>Luju Ojha<\/strong>, ricercatore del Georgia Institute of Technology: &#8220;<em>Abbiamo raccolto le prove chimiche<\/em>&#8220;, ha spiegato, esibendo l\u2019animazione 3D di un cratere.<\/p>\n<p>&#8220;<em>Tre miliardi di anni fa<\/em> &#8211; aveva sottolineato poco prima Jim Green, direttore del settore scienze planetarie della Nasa &#8211; <em>possedeva un\u2019atmosfera e un oceano<\/em>&#8220;. Poi la catastrofe ambientale e il pianeta pi\u00f9 simile alla Terra \u00e8 diventato il sasso desolato che ci hanno raccontato i rover &#8220;<em>Spirit<\/em>&#8221; e &#8220;<em>Opportunity<\/em>&#8220;. Desolato, s\u00ec, ma ancora ricco di opportunit\u00e0.<\/p>\n<div class=\"twitter-tweet\">\n<blockquote class=\"twitter-tweet\" lang=\"it\">\n<p lang=\"en\" dir=\"ltr\">Water! Strong evidence that liquid water flows on present-day Mars. Details: <a href=\"http:\/\/t.co\/0MW11SANwL\">http:\/\/t.co\/0MW11SANwL<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/MarsAnnouncement?src=hash\">#MarsAnnouncement<\/a> <a href=\"http:\/\/t.co\/JNksawz2iN\">pic.twitter.com\/JNksawz2iN<\/a><\/p>\n<p>&mdash; NASA (@NASA) <a href=\"https:\/\/twitter.com\/NASA\/status\/648527086299316224\">28 Settembre 2015<\/a><\/p><\/blockquote>\n<\/div>\n<p>Nonostante la composizione chimica e l&#8217;origine dell&#8217;acqua sia ancora sconosciuta, la sensazionale scoperta potrebbe influenzare le teorie sulla<strong> possibile presenza di vita microbica su Marte<\/strong>. Le ipotesi che stanno vagliando i ricercatori per ora sono tre: la prima \u00e8 che l&#8217;acqua si formi\u00a0nei sali perclorati in seguito all&#8217;aumento dell\u2019umidit\u00e0 nell&#8217;atmosfera marziana in alcuni periodi dell\u2019anno. La seconda avvalora l&#8217;ipotesi secondo cui\u00a0l\u2019acqua si forma da uno strato ghiacciato che diventa liquido quando entra in contatto con i sali. Infine, una terza ipotesi \u00e8 che possa trattarsi di una falda sotterranea, dalla quale in certe condizioni fuoriesce l\u2019acqua.<\/p>\n<div class=\"twitter-tweet\">\n<blockquote class=\"twitter-tweet\" lang=\"it\">\n<p lang=\"en\" dir=\"ltr\">.<a href=\"https:\/\/twitter.com\/NASA\">@NASA<\/a>&#39;s Mars Reconnaissance Orbiter found best evidence yet of liquid water on present Mars <a href=\"http:\/\/t.co\/Rk7ekUw931\">http:\/\/t.co\/Rk7ekUw931<\/a> <a href=\"http:\/\/t.co\/kmULXaCHuM\">pic.twitter.com\/kmULXaCHuM<\/a><\/p>\n<p>&mdash; NASA JPL (@NASAJPL) <a href=\"https:\/\/twitter.com\/NASAJPL\/status\/648523664388833280\">28 Settembre 2015<\/a><\/p><\/blockquote>\n<\/div>\n<p>In attesa di ulteriori sviluppi, anche <strong>Google<\/strong> dedica il <strong>doodle di oggi<\/strong> sulla grande scoperta.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4349\" src=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/evidence-of-water-found-on-mars-5652760466817024.2-hp.gif\" alt=\"evidence-of-water-found-on-mars-5652760466817024.2-hp\" width=\"650\" height=\"230\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La prova arriva da MRO\u00a0(Mars Reconnaissance Orbiter), la sonda spaziale polifunzionale americana lanciata il 12 agosto 2005: su Marte scorrono piccoli ruscelli di acqua salata durante i mesi estivi, lasciando striature scure la cui origine era un mistero. I ricercatori hanno utilizzato i dati provenienti dallo spettrometro di MRO \u2013\u00a0uno strumento che pu\u00f2 determinare il [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":4350,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[299,19,15,18,3],"tags":[924,923,744,922,749,135,925,200,133],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.11 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mistero risolto: su Marte scorre acqua salata - PensieriParole magazine<\/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.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mistero risolto: su Marte scorre acqua salata - PensieriParole magazine\" \/>\n<meta property=\"og:description\" content=\"La prova arriva da MRO\u00a0(Mars Reconnaissance Orbiter), la sonda spaziale polifunzionale americana lanciata il 12 agosto 2005: su Marte scorrono piccoli ruscelli di acqua salata durante i mesi estivi, lasciando striature scure la cui origine era un mistero. I ricercatori hanno utilizzato i dati provenienti dallo spettrometro di MRO \u2013\u00a0uno strumento che pu\u00f2 determinare il [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata\" \/>\n<meta property=\"og:site_name\" content=\"PensieriParole magazine\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PensieriParole\" \/>\n<meta property=\"article:published_time\" content=\"2015-09-29T08:00:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-09-29T08:05:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pensieriparole.it\/magazine\/wp-content\/uploads\/2015\/09\/marte-pianeta.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sylvia Drago\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pensieriparole\" \/>\n<meta name=\"twitter:site\" content=\"@pensieriparole\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sylvia Drago\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata\",\"url\":\"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata\",\"name\":\"Mistero risolto: su Marte scorre acqua salata - PensieriParole magazine\",\"isPartOf\":{\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/#website\"},\"datePublished\":\"2015-09-29T08:00:11+00:00\",\"dateModified\":\"2015-09-29T08:05:50+00:00\",\"author\":{\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/#\/schema\/person\/626b86f7925f6c38a002140b5a05f902\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.pensieriparole.it\/magazine\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mistero risolto: su Marte scorre acqua salata\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/#website\",\"url\":\"https:\/\/www.pensieriparole.it\/magazine\/\",\"name\":\"PensieriParole magazine\",\"description\":\"news &amp; curiosit\u00e0 dal mondo\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.pensieriparole.it\/magazine\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.pensieriparole.it\/magazine\/#\/schema\/person\/626b86f7925f6c38a002140b5a05f902\",\"name\":\"Sylvia Drago\",\"url\":\"https:\/\/www.pensieriparole.it\/magazine\/author\/sylvia\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Mistero risolto: su Marte scorre acqua salata - PensieriParole magazine","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.pensieriparole.it\/magazine\/2015094339\/mistero-risolto-su-marte-scorre-acqua-salata","og_locale":"it_IT","og_type":"article","og_title":"Mistero risolto: su Marte scorre acqua salata - PensieriParole magazine","og_description":"La prova arriva da MRO\u00a0(Mars Reconnaissance Orbiter), la sonda spaziale polifunzionale americana lanciata il 12 agosto 2005: su Marte scorrono piccoli ruscelli di acqua salata durante i mesi estivi, lasciando striature scure la cui origine era un mistero. 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