{"id":432139,"date":"2026-10-19T08:00:00","date_gmt":"2026-10-19T06:00:00","guid":{"rendered":"https:\/\/cms-articles.softonic.io\/es\/?p=432139"},"modified":"2026-10-19T08:00:03","modified_gmt":"2026-10-19T06:00:03","slug":"sn-1181-podria-tener-una-estrella-zombi-nuevas-pistas-de-gemini-north","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/es\/sn-1181-podria-tener-una-estrella-zombi-nuevas-pistas-de-gemini-north\/","title":{"rendered":"SN 1181 podr\u00eda tener una estrella zombi: nuevas pistas de Gemini North"},"content":{"rendered":"<p class=\"wp-block-paragraph\">NOIRLab ha difundido hoy nuevas im\u00e1genes de la nebulosa Pa 30 tomadas con el telescopio Gemini North. Para la comunidad cient\u00edfica, este objeto es el remanente de SN 1181, una explosi\u00f3n estelar registrada hace <strong>m\u00e1s de 840 a\u00f1os<\/strong>. Y, de acuerdo con NOIRLab, las im\u00e1genes de Gemini North muestran ese objeto con un nivel de detalle que hasta ahora no se hab\u00eda conseguido.<\/p>\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/fda580f8-9524-11e6-97ef-00163ec9f5fa\/1867192541\/stellarium-icon.jpg\" alt=\"Stellarium\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Stellarium<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/stellarium.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">Descargar<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/stellarium.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Pero la historia no se queda en la conexi\u00f3n entre SN 1181 y Pa 30, situada a unos 7.500 a\u00f1os luz de la Tierra.<\/p>\n\n<p class=\"wp-block-paragraph\">En el centro de la nebulosa sigue ah\u00ed <a href=\"https:\/\/www.softonic.com\/articulos\/la-superestrella-betelgeuse-puede-convertirse-en-una-luna-2-0\" rel=\"noopener\">una enana blanca<\/a>, una verdadera \u201c<strong>estrella zombi<\/strong>\u201d que habr\u00eda sobrevivido a una explosi\u00f3n que, en circunstancias normales, tendr\u00eda que haber destruido por completo al astro original.<\/p>\n\n<p class=\"wp-block-paragraph\">SN 1181 forma parte, adem\u00e1s, de un grupo muy peque\u00f1o: el de las supernovas registradas antes de que existiera el telescopio. Los documentos hist\u00f3ricos se\u00f1alan que permaneci\u00f3 visible durante unos <strong>185 d\u00edas<\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">Durante a\u00f1os, dar con el remanente de SN 1181 fue un aut\u00e9ntico rompecabezas.<\/p>\n\n<p class=\"wp-block-paragraph\">Ahora ese vestigio se sit\u00faa en Pa 30, una nebulosa descubierta en <strong>2013<\/strong>. Su distancia la coloca relativamente cerca en t\u00e9rminos astron\u00f3micos, as\u00ed que resulta especialmente apta para observaciones detalladas.<\/p>\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/fd7b7b6e-9524-11e6-a779-00163ec9f5fa\/1648969637\/celestia-icon.png\" alt=\"Celestia\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Celestia<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/celestia.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">Descargar<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/celestia.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Y eso importa. Seg\u00fan los investigadores, Pa 30 podr\u00eda ser el \u00fanico caso conocido en la V\u00eda L\u00e1ctea de una supernova de tipo Iax con una <strong>estrella superviviente<\/strong> en su interior.<\/p>\n\n<p class=\"wp-block-paragraph\">Las <a href=\"https:\/\/www.softonic.com\/articulos\/la-humanidad-estuvo-a-punto-de-desaparecer-en-2022-por-la-explosion-de-una-supernova\" rel=\"noopener\">supernovas de tipo Iax<\/a> son una versi\u00f3n m\u00e1s rara y menos energ\u00e9tica que las de tipo Ia cl\u00e1sicas, as\u00ed que no siempre llegan a destruir por completo la estrella.<\/p>\n\n<p class=\"wp-block-paragraph\">Los investigadores creen que eso fue justamente lo que ocurri\u00f3 con SN 1181: una supernova de tipo Iax, probablemente causada por la <strong>fusi\u00f3n de dos enanas blancas<\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">Ese escenario encaja bastante bien con lo que se ve. Explica la presencia de una enana blanca en el centro, encaja tambi\u00e9n con la <strong>energ\u00eda relativamente moderada<\/strong> del estallido y, adem\u00e1s, re\u00fane en un mismo sistema tres piezas que rara vez coinciden tan bien: una observaci\u00f3n hist\u00f3rica, un remanente claramente visible y una estrella que sigue viva.<\/p>\n\n<p class=\"wp-block-paragraph\">Las nuevas observaciones muestran la nebulosa en colores que delatan su composici\u00f3n. El azufre ionizado aparece en rojo, mientras que el ox\u00edgeno ionizado se deja ver en tonos azul verdoso.<\/p>\n\n<p class=\"wp-block-paragraph\">Hay un detalle que destaca enseguida: los nuevos datos sobre el azufre dejan ver, seg\u00fan NOIRLab, unas <strong>10 veces m\u00e1s filamentos<\/strong> que en im\u00e1genes anteriores.<\/p>\n\n<p class=\"wp-block-paragraph\">Esos filamentos de Pa 30 tampoco tienen el aspecto suave que uno podr\u00eda imaginar. Son cadenas de peque\u00f1os nudos de gas sorprendentemente uniformes, y cada uno es lo bastante grande como para contener unas <strong>10 veces<\/strong> la regi\u00f3n planetaria del Sistema Solar.<\/p>\n\n<p class=\"wp-block-paragraph\">La parte m\u00e1s desconcertante sigue siendo su geometr\u00eda.<\/p>\n\n<p class=\"wp-block-paragraph\">La estrella superviviente est\u00e1 situada casi exactamente en el centro de una nebulosa muy sim\u00e9trica. Eso choca con lo que suele pasar tras una supernova, cuando la explosi\u00f3n expulsa material de forma desigual y da a la estrella remanente un empuj\u00f3n que la desplaza de esa posici\u00f3n central.<\/p>\n\n<p class=\"wp-block-paragraph\">Han pasado m\u00e1s de ocho siglos desde que observadores del Jap\u00f3n feudal y de China vieron aparecer una \u201cnueva estrella\u201d en el cielo. Pa 30 sigue siendo, a\u00fan hoy, un laboratorio natural para volver a pensar c\u00f3mo mueren las estrellas y c\u00f3mo, a veces, algunas sobreviven.<\/p>\n\n<p class=\"wp-block-paragraph\">Lo que todav\u00eda no se sabe es por qu\u00e9 esa enana blanca superviviente permanece casi exactamente en el centro de una nebulosa tan sim\u00e9trica.<\/p>","protected":false},"excerpt":{"rendered":"<p>NOIRLab ha difundido hoy nuevas im\u00e1genes de la nebulosa Pa 30 tomadas con el telescopio Gemini North. Para la comunidad cient\u00edfica, este objeto es el remanente de SN 1181, una explosi\u00f3n estelar registrada hace m\u00e1s de 840 a\u00f1os. Y, de acuerdo con NOIRLab, las im\u00e1genes de Gemini North muestran ese objeto con un nivel de &hellip; <a href=\"https:\/\/cms-articles.softonic.io\/es\/sn-1181-podria-tener-una-estrella-zombi-nuevas-pistas-de-gemini-north\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;SN 1181 podr\u00eda tener una estrella zombi: nuevas pistas de Gemini North&#8221;<\/span><\/a><\/p>\n","protected":false},"author":9350,"featured_media":432138,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":0},"categories":[9317],"tags":[],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-432139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"NOIRLab ha difundido hoy nuevas im\u00e1genes de la nebulosa Pa 30 tomadas con el telescopio Gemini North. 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