{"id":11083,"date":"2024-02-28T06:46:19","date_gmt":"2024-02-28T06:46:19","guid":{"rendered":"https:\/\/expresorgv.online\/home\/?p=11083"},"modified":"2024-02-28T06:46:20","modified_gmt":"2024-02-28T06:46:20","slug":"una-nova-a-3-mil-anos-luz-se-podra-contemplar-a-simple-vista","status":"publish","type":"post","link":"https:\/\/expresorgv.online\/home\/blog\/2024\/02\/28\/una-nova-a-3-mil-anos-luz-se-podra-contemplar-a-simple-vista\/","title":{"rendered":"Una nova a 3 mil a\u00f1os luz se podr\u00e1 contemplar a simple vista"},"content":{"rendered":"\n<p>Astr\u00f3nomos prev\u00e9n que un sistema estelar a 3 mil a\u00f1os luz de la Tierra se haga visible a simple vista en cuesti\u00f3n de meses por la explosi\u00f3n de la nova recurrente <strong>T Coronae Borealis<\/strong>, o <strong>T CrB.<\/strong><\/p>\n\n\n\n<p>Esta podr\u00eda ser una oportunidad de observaci\u00f3n \u00fanica en la vida, ya que el estallido de esta nova s\u00f3lo ocurre aproximadamente cada 80 a\u00f1os. <strong>T CrB<\/strong> explot\u00f3 por \u00faltima vez en 1946 y los astr\u00f3nomos creen que volver\u00e1 a hacerlo entre febrero y septiembre de 2024.<\/p>\n\n\n\n<p>El sistema estelar, normalmente de magnitud +10, que es demasiado tenue para verlo a simple vista, saltar\u00e1 a magnitud +2 durante el evento. Tendr\u00e1 un brillo similar al de la <strong>Estrella Polar, Polaris.<\/strong><\/p>\n\n\n\n<p>Una vez que su brillo alcance su punto m\u00e1ximo, deber\u00eda ser visible a simple vista durante varios d\u00edas y poco m\u00e1s de una semana <strong>con binoculares<\/strong> antes de que vuelva a atenuarse, posiblemente durante otros 80 a\u00f1os.<\/p>\n\n\n\n<p>Se espera que el estallido aparecer\u00e1 como una \u201cnueva\u201d estrella brillante en la constelaci\u00f3n Corona Boreal, o Corona del Norte, un peque\u00f1o arco semicircular cerca de <strong>Bootes y H\u00e9rcules.<\/strong><\/p>\n\n\n\n<p>Esta nova recurrente es s\u00f3lo una de las cinco en nuestra galaxia. Esto sucede porque<strong> T CrB<\/strong> es un sistema binario con una enana blanca y una gigante roja.<\/p>\n\n\n\n<p>Las estrellas est\u00e1n lo suficientemente cerca como para que, a medida que la gigante roja se vuelva inestable debido al aumento de temperatura y presi\u00f3n y comience a expulsar sus capas externas, la enana blanca acumule esa materia en su superficie.<\/p>\n\n\n\n<p>La atm\u00f3sfera densa y poco profunda de la enana blanca eventualmente se calienta lo suficiente como para provocar una reacci\u00f3n termonuclear descontrolada, que produce la nova que vemos desde la Tierra, explica la NASA en un comunicado.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astr\u00f3nomos prev\u00e9n que un sistema estelar a 3 mil a\u00f1os luz de la Tierra se haga visible a simple vista en cuesti\u00f3n de meses por la explosi\u00f3n de la nova recurrente T Coronae Borealis, o T CrB. Esta podr\u00eda ser una oportunidad de observaci\u00f3n \u00fanica en la vida, ya que el estallido de esta nova [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11084,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-11083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Una nova a 3 mil a\u00f1os luz se podr\u00e1 contemplar a simple vista -<\/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:\/\/expresorgv.online\/home\/blog\/2024\/02\/28\/una-nova-a-3-mil-anos-luz-se-podra-contemplar-a-simple-vista\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Una nova a 3 mil a\u00f1os luz se podr\u00e1 contemplar a simple vista\" \/>\n<meta property=\"og:description\" content=\"Astr\u00f3nomos prev\u00e9n que un sistema estelar a 3 mil a\u00f1os luz de la Tierra se haga visible a simple vista en cuesti\u00f3n de meses por la explosi\u00f3n de la nova recurrente T Coronae Borealis, o T CrB. 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