{"id":690989,"date":"2026-05-05T19:56:04","date_gmt":"2026-05-05T19:56:04","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=690989"},"modified":"2026-05-05T19:56:04","modified_gmt":"2026-05-05T19:56:04","slug":"cercetatorii-au-descoperit-un-nou-mini-pluto-inconjurat-de-o-atmosfera-subtire-dincolo-de-neptun","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=690989","title":{"rendered":"Cercet\u0103torii au descoperit un nou \u201emini-Pluto\u201d \u00eenconjurat de o atmosfer\u0103 sub\u021bire, dincolo de Neptun"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/05\/cercetatorii-au-descoperit-un-nou-mini-pluto-inconjurat-de-o-atmosfera-subtire-dincolo-de-neptun.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<p id=\"p-0\">Oamenii de \u0219tiin\u021b\u0103 au descoperit un corp ceresc dincolo de Pluto, \u00eenconjurat de o atmosfer\u0103 sub\u021bire.<\/p>\n<p id=\"p-1\">Aceasta ar fi putut fi creat de erup\u021bii vulcanice sau de impactul unei comete, scrie <span><a href=\"https:\/\/www.nbcnews.com\/science\/space\/atmosphere-icy-world-beyond-pluto-rcna343509\" target=\"_blank\" rel=\"noopener\">NBC News<\/a><\/span>.<\/p>\n<p id=\"p-2\">Cu un diametru aproximativ de 480 de kilometri, acest mini-Pluto este considerat a fi cel mai mic obiect din sistemul solar cu o atmosfer\u0103 global\u0103 clar detectat\u0103, legat\u0103 de gravita\u021bie, potrivit cercet\u0103torului principal Ko Arimatsu de la Observatorul Astronomic Na\u021bional al Japoniei.<\/p>\n<p id=\"p-3\">\u201eEste o descoperire uimitoare, dar are nevoie urgent\u0103 de o verificare independent\u0103. Implica\u021biile sunt profunde dac\u0103 se confirm\u0103\u201d, a declarat Alan Stern, cercet\u0103torul principal din spatele misiunii New Horizons a NASA c\u0103tre Pluto \u0219i dincolo de acesta.<\/p>\n<p id=\"p-4\">Dac\u0103 eventualele cercet\u0103ri suplimentare vor confirma aceast\u0103 ipotez\u0103, ar deveni a doua planet\u0103 aflat\u0103 dincolo de Neptun din sistemul nostru solar care g\u0103zduie\u0219te o atmosfer\u0103, dup\u0103 Pluto \u00eensu\u0219i.<\/p>\n<p id=\"p-5\">\u201eAceasta schimb\u0103 viziunea noastr\u0103 asupra planetelor mici din sistemul solar, nu doar dincolo de Neptun\u201d, a spus Arimatsu \u00eentr-un e-mail, potrivit <span><a href=\"https:\/\/news.sky.com\/story\/new-tiny-ice-world-discovered-with-an-atmosphere-beyond-neptune-dubbed-a-mini-pluto-13540375\" target=\"_blank\" rel=\"noopener\">Sky News<\/a><\/span>. Acesta a ad\u0103ugat faptul c\u0103 descoperirea unei atmosfere \u00een jurul unui obiect at\u00e2t de mic a fost \u201ecu adev\u0103rat surprinz\u0103toare\u201d.<\/p>\n<p id=\"p-6\">Cercet\u0103torul principal Arimatsu a punctat faptul c\u0103 atmosfera acestui obiect descoperit este de 50 p\u00e2n\u0103 la 100 de ori mai sub\u021bire chiar \u0219i dec\u00e2t atmosfera rarefiat\u0103 a lui Pluto. Cele mai probabile substan\u021be chimice atmosferice sunt metanul, azotul sau monoxidul de carbon. \u00cen acest sens, Telescopul Spa\u021bial James Webb ar putea veni cu observa\u021bii suplimentare.<\/p>\n<p id=\"p-7\">Totu\u0219i, cercet\u0103torii nu au putut spune cu certitudine ce anume a generat aceast\u0103 atmosfer\u0103 sub\u021bire, \u00eens\u0103 au \u00eenaintat varianta c\u0103 ar&nbsp;fi putut fi format\u0103 din gazul expulzat din interiorul planetei de c\u0103tre vulcani de ghea\u021b\u0103 \u00een erup\u021bie.<\/p>\n<p id=\"p-8\">De-a lungul timpului au fost \u0219i ipoteze conform c\u0103rora o planet\u0103 pitic\u0103 numit\u0103 Makemake, pu\u021bin mai mic\u0103 dec\u00e2t Pluto, ar putea avea o atmosfer\u0103 foarte sub\u021bire.<\/p>\n<p id=\"p-9\">Pluto a fost considerat\u0103 mult\u0103 vreme a noua planet\u0103 a sistemului solar, \u00eens\u0103 \u00een anul 2006, Uniunea Astronomic\u0103 Interna\u021bional\u0103 a reclasificat-o ca planet\u0103 pitic\u0103.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oamenii de \u0219tiin\u021b\u0103 au descoperit un corp ceresc dincolo de Pluto, \u00eenconjurat de o atmosfer\u0103 sub\u021bire. Aceasta ar fi putut fi creat de erup\u021bii vulcanice sau de impactul unei comete, &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=690989\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":690990,"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\/690989"}],"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=690989"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/690989\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/690990"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=690989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=690989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=690989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}