{"id":113939,"date":"2021-02-18T19:02:29","date_gmt":"2021-02-18T18:02:29","guid":{"rendered":"https:\/\/likemetkovic.hr\/?p=113939"},"modified":"2021-02-18T19:02:29","modified_gmt":"2021-02-18T18:02:29","slug":"danas-na-mars-slijece-rover-spustit-ce-se-blizu-doline-neretve-une-i-save","status":"publish","type":"post","link":"https:\/\/likemetkovic.hr\/portal\/danas-na-mars-slijece-rover-spustit-ce-se-blizu-doline-neretve-une-i-save\/","title":{"rendered":"Danas na Mars slije\u0107e rover, spustit \u0107e se blizu doline Neretve, Une i Save"},"content":{"rendered":"<p>Nakon\u00a0sedam mjeseci putovanja\u00a0NASA-in rover Perseverance danas \u0107e sletjeti na Mars, \u0161to \u0107e biti\u00a0po\u010detak vi\u0161egodi\u0161nje potrage za dokazima\u00a0postojanja drevnog \u017eivota na crvenom planetu.<\/p>\n<p>Rover bi trebao sletjeti u krater Jezero, koji je dobio ime po jednom selu u Bosni i Hercegovini. Radi se o depresiji \u0161irine 45 kilometara koja se nalazi se na Marsovoj sjevernoj polutci, pi\u0161e <a href=\"https:\/\/www.index.hr\/vijesti\/clanak\/danas-na-mars-slijece-rover-spustit-ce-se-blizu-doline-neretve-une-i-save\/2255369.aspx\" target=\"_blank\" rel=\"noopener\">Index<\/a>.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-113940\" src=\"https:\/\/likemetkovic.hr\/wp-content\/uploads\/2021\/02\/mars-dolina-neretve-800x421.jpg\" alt=\"\" width=\"800\" height=\"421\" srcset=\"https:\/\/likemetkovic.hr\/portal\/wp-content\/uploads\/2021\/02\/mars-dolina-neretve-800x421.jpg 800w, https:\/\/likemetkovic.hr\/portal\/wp-content\/uploads\/2021\/02\/mars-dolina-neretve-768x404.jpg 768w, https:\/\/likemetkovic.hr\/portal\/wp-content\/uploads\/2021\/02\/mars-dolina-neretve-696x366.jpg 696w, https:\/\/likemetkovic.hr\/portal\/wp-content\/uploads\/2021\/02\/mars-dolina-neretve-799x420.jpg 799w, https:\/\/likemetkovic.hr\/portal\/wp-content\/uploads\/2021\/02\/mars-dolina-neretve.jpg 850w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Podru\u010dja u blizini kratera tako\u0111er su dobila imena po rijekama koje teku kroz BiH, ali i Hrvatsku. Tako se odmah pored mjesta slijetanja nalazi dolina Neretve, koja zapravo predstavlja osu\u0161eno korito drevne rijeke. Jugozapadno od kratera Jezera je dolina Una, a sjeverno dolina Sava. Kartu cijelog podru\u010dja mo\u017eete pogledati\u00a0<a href=\"https:\/\/mars.nasa.gov\/maps\/location\/?mission=M20&amp;site=jez&amp;mapLon=77.55798339843751&amp;mapLat=18.539512627214105&amp;mapZoom=10&amp;globeLon=77.42958068847659&amp;globeLat=18.463327291058505&amp;globeZoom=12&amp;globeCamera=0,-4882.8125,0,0,1,0&amp;panePercents=0,100,0&amp;on=Current%20Position$1.00,Waypoints$1.00,Surface%20View$1.00,Landing%20Ellipse$1.00,Rover%20Path$1.00,Labels$1.00,Basemap$1.00,North%20East%20Syrtis%20Base%20Map$1.00\" target=\"_blank\" rel=\"noopener\">ovdje<\/a>.<\/p>\n<h3>Krater Jezero i potraga za vanzemaljskim \u017eivotom<\/h3>\n<p>Krater Jezero je jedno od najboljih mjesta u potrazi za drevnim \u017eivotom jer je prije nekih 3.9 milijardi godina vjerojatno bio ispunjen vodom i imao formu jezera. Dosada\u0161nje analize su pokazale da su naslage u krateru bogate mineralima koji nastaju u prisutnosti vode, \u0161to zna\u010di da je tamo nekada mogao postojati i \u017eivot. U takvim sli\u010dnim sedimentima na Zemlji obi\u010dno nalazimo fosile, stoga je mogu\u0107e da \u0107e ih rover otkriti i na ovome podru\u010dju.<\/p>\n<p>Prije vi\u0161e milijardi godina Mars je vjerojatno bio puno toplije mjesto, na kojem je bilo teku\u0107e vode na povr\u0161ini,\u00a0\u0161to zna\u010di da se tamo u dalekoj pro\u0161losti mogao razviti \u017eivot. No crveni planet je s vremenom izgubio atmosferu i velik dio vode te je postao suho, hladno i negostoljubivo podru\u010dje kakvim ga vidimo danas.<\/p>\n<p>Prije 3.9 milijardi godina, kada je na Marsu vjerojatno bilo teku\u0107e vode, u njegovu se povr\u0161inu zabilo veliko tijelo iz svemira i stvorilo krater koji se zatim napunio vodom. Danas je taj krater prazan, ali o\u017eiljci koje vidimo na povr\u0161ini pri\u010daju pri\u010du o davnoj pro\u0161losti punoj rijeka i jezera.<\/p>\n<p>Naime, letjelice koje orbitiraju oko Marsa su na tom mjestu snimile formaciju koja nalikuje na veliku rije\u010dnu deltu u obliku lepeze. Ta delta nalikuje podru\u010dju na kojem se rijeka Nil susre\u0107e sa Sredozemnim morem.<\/p>\n<h3>Bijele pje\u0161\u010dane pla\u017ee na Marsu?<\/h3>\n<p>Planetarna znanstvenica Briony Horgan, \u010dlanica znanstvenog tima iza rovera Perseverance,\u00a0smatra\u00a0da je ovo mjesto idealno za potragu za fosiliziranim organizmima jer su se drevne rijeke ulijevale u ovo jezero i odlagale u njega organske i druge potencijalne znakove \u017eivota. Delte i dna jezera mogu sa\u010duvati blatnjave sedimente koji su sa\u010duvali dokaze o biolo\u0161kom \u017eivotu ili drugom organskom materijalu.<\/p>\n<p>Iako na Marsu postoje i druge formacije koje nalikuju na korita rijeka, jezera i delta, u krateru Jezero su otkriveni i posebni minerali. Naslage tih minerala, karbonata, nalazimo po cijelome krateru, pi\u0161e\u00a0<a href=\"https:\/\/edition.cnn.com\/2021\/02\/16\/world\/mars-jezero-crater-rover-landing-site-scn\/index.html?utm_medium=social&amp;utm_term=link&amp;utm_source=twCNN&amp;utm_content=2021-02-16T10%3A31%3A01\" target=\"_blank\" rel=\"noopener\">CNN<\/a>.<\/p>\n<p>&#8220;Mogu\u0107e je da je ovo drevno jezero nekada imalo prekrasne bijele pje\u0161\u010dane pla\u017ee&#8221;, kazala je\u00a0Horgan.<\/p>\n<p>U jezerima na Zemlji mikrobi vole rasti u velikim kolonijama tik ispod povr\u0161ine vode. Stoga, kada je na Marsu isparilo jezero, mo\u017eda su karbonati uspjeli zarobiti dio tih mikroba i sa\u010duvati ih,\u00a0kao \u0161to se znalo dogoditi na na\u0161em planetu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nakon\u00a0sedam mjeseci putovanja\u00a0NASA-in rover Perseverance danas \u0107e sletjeti na Mars, \u0161to \u0107e biti\u00a0po\u010detak vi\u0161egodi\u0161nje potrage za dokazima\u00a0postojanja drevnog \u017eivota na crvenom planetu. Rover bi trebao sletjeti u krater Jezero, koji je dobio ime po jednom selu u Bosni i Hercegovini. Radi se o depresiji \u0161irine 45 kilometara koja se nalazi se na Marsovoj sjevernoj polutci, [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":113940,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[296,71],"tags":[8978,8979,8980],"class_list":{"0":"post-113939","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ab","8":"category-svega-po-malo","9":"tag-mars","10":"tag-nasa","11":"tag-neretva-vallis"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Danas na Mars slije\u0107e rover, spustit \u0107e se blizu doline Neretve, Une i Save - likemetkovic.hr<\/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:\/\/likemetkovic.hr\/danas-na-mars-slijece-rover-spustit-ce-se-blizu-doline-neretve-une-i-save\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Danas na Mars slije\u0107e rover, spustit \u0107e se blizu doline Neretve, Une i Save - likemetkovic.hr\" \/>\n<meta property=\"og:description\" content=\"Nakon\u00a0sedam mjeseci putovanja\u00a0NASA-in rover Perseverance danas \u0107e sletjeti na Mars, \u0161to \u0107e biti\u00a0po\u010detak vi\u0161egodi\u0161nje potrage za dokazima\u00a0postojanja drevnog \u017eivota na crvenom planetu. Rover bi trebao sletjeti u krater Jezero, koji je dobio ime po jednom selu u Bosni i Hercegovini. 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