{"id":696351,"date":"2026-06-06T01:36:04","date_gmt":"2026-06-06T01:36:04","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=696351"},"modified":"2026-06-06T01:36:04","modified_gmt":"2026-06-06T01:36:04","slug":"astronomii-au-identificat-posibile-planete-ocean-lumile-fara-uscat-sunt-la-doar-100-de-ani-lumina-de-pamant","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=696351","title":{"rendered":"Astronomii au identificat posibile \u201eplanete-ocean\u201d \u2013 lumile f\u0103r\u0103 uscat sunt la doar 100 de ani-lumin\u0103 de P\u0103m\u00e2nt"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/06\/astronomii-au-identificat-posibile-planete-ocean-lumile-fara-uscat-sunt-la-doar-100-de-ani-lumina-de-pamant.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<p id=\"p-0\">Astronomii au identificat mai multe candidate puternice pentru categoria rar\u0103 a a\u0219a-numitelor \u201e<a href=\"https:\/\/www.mediafax.ro\/externe\/doua-treimi-din-oceanele-lumii-intra-pentru-prima-data-sub-protectie-internationala-23672586\">planete-ocean<\/a>\u201d, lumi acoperite aproape complet de ap\u0103, f\u0103r\u0103 continente sau suprafe\u021be solide asem\u0103n\u0103toare celor de pe P\u0103m\u00e2nt, potrivit Astrophilesz.<\/p>\n<p id=\"p-1\">Una dintre cele mai promi\u021b\u0103toare descoperiri este planeta TOI-1452 b, aflat\u0103 la aproximativ 100 de ani-lumin\u0103 de Terra. Planeta este clasificat\u0103 drept o \u201esuper-Ter\u0103\u201d, av\u00e2nd un diametru de aproape 1,7 ori mai mare dec\u00e2t cel al P\u0103m\u00e2ntului \u0219i o mas\u0103 de aproape cinci ori mai mare.<\/p>\n<h2 id=\"chapter-0\">Stratul de ap\u0103 ar putea avea sute de kilometri ad\u00e2ncime<\/h2>\n<p id=\"p-2\">Cu toate acestea, densitatea sa este mult mai mic\u0103 dec\u00e2t cea a unei planete st\u00e2ncoase obi\u0219nuite, ceea ce i-a determinat pe cercet\u0103tori s\u0103 concluzioneze c\u0103 o parte semnificativ\u0103 din masa sa este format\u0103 din ap\u0103.<\/p>\n<p id=\"p-3\">Estim\u0103rile arat\u0103 c\u0103 \u00eentre 20 \u0219i 30% din masa total\u0103 a planetei ar putea fi ap\u0103, comparativ cu mai pu\u021bin de 1% \u00een cazul P\u0103m\u00e2ntului.<\/p>\n<p id=\"p-4\">Spre deosebire de oceanele terestre, care au o ad\u00e2ncime medie de aproximativ 3,7 kilometri, pe o astfel de planet\u0103 stratul de ap\u0103 ar putea avea sute de kilometri ad\u00e2ncime \u00eenainte de a ajunge la orice suprafa\u021b\u0103 solid\u0103.<\/p>\n<h2 id=\"chapter-1\">\u201eAp\u0103 supercritic\u0103\u201d<\/h2>\n<p id=\"p-5\">La asemenea presiuni extreme, apa nu se comport\u0103 ca pe P\u0103m\u00e2nt.<\/p>\n<p id=\"p-6\">Oamenii de \u0219tiin\u021b\u0103 cred c\u0103 ea se transform\u0103 \u00een forme exotice, precum ap\u0103 supercritic\u0103 sau ghea\u021b\u0103 de \u00eenalt\u0103 presiune, st\u0103ri care nu exist\u0103 \u00een mod natural pe planeta noastr\u0103.<\/p>\n<p id=\"p-7\">Un alt candidat important este LHS 1140 b, aflat la 48 de ani-lumin\u0103 de P\u0103m\u00e2nt.<\/p>\n<p id=\"p-8\">Observa\u021biile realizate cu telescopul spa\u021bial James Webb au confirmat c\u0103 planeta este una st\u00e2ncoas\u0103 \u0219i nu un gigant gazos, iar densitatea sa sugereaz\u0103 existen\u021ba unui ocean lichid uria\u0219. Cercet\u0103torii o consider\u0103 \u00een prezent una dintre cele mai bune candidate pentru o lume poten\u021bial locuibil\u0103 din afara Sistemului Solar.<\/p>\n<h2 id=\"chapter-2\">Lumi f\u0103r\u0103 uscat<\/h2>\n<p id=\"p-9\">Astfel de planete \u00eei fascineaz\u0103 pe astronomi deoarece ar putea g\u0103zdui forme de via\u021b\u0103 complet diferite de cele cunoscute pe Terra.<\/p>\n<p id=\"p-10\">Pe asemenea lumi nu ar exista uscat, plaje sau continente \u2013 doar ap\u0103, \u00eentinz\u00e2ndu-se la ad\u00e2ncimi imposibil de imaginat, \u00een condi\u021bii pe care omenirea nu le-a \u00eent\u00e2lnit niciodat\u0103.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astronomii au identificat mai multe candidate puternice pentru categoria rar\u0103 a a\u0219a-numitelor \u201eplanete-ocean\u201d, lumi acoperite aproape complet de ap\u0103, f\u0103r\u0103 continente sau suprafe\u021be solide asem\u0103n\u0103toare celor de pe P\u0103m\u00e2nt, potrivit &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=696351\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":696352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/696351"}],"collection":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=696351"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/696351\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/696352"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=696351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=696351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=696351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}