{"id":7197,"date":"2025-08-26T14:57:25","date_gmt":"2025-08-26T19:57:25","guid":{"rendered":"https:\/\/pornuestrolaredo.com\/?p=7197"},"modified":"2025-08-26T14:57:25","modified_gmt":"2025-08-26T19:57:25","slug":"observan-el-interior-de-una-estrella-moribunda","status":"publish","type":"post","link":"https:\/\/pornuestrolaredo.com\/?p=7197","title":{"rendered":"Observan el interior de una estrella moribunda"},"content":{"rendered":"<p><strong><em>NUEVA YORK.-<\/em><\/strong> Por primera vez, un grupo de cient\u00edficos observ\u00f3 el interior de una estrella moribunda mientras explotaba, obteniendo una visi\u00f3n poco frecuente de la evoluci\u00f3n estelar.<\/p>\n<p>Las estrellas pueden vivir desde millones hasta billones de a\u00f1os hasta que se quedan sin combustible. Las de mayor masa terminan con una explosi\u00f3n llamada supernova.<\/p>\n<p>Con telescopios que miran profundamente en el espacio, los investigadores han observado muchas de estas explosiones. Las erupciones c\u00f3smicas tienden a desordenar las capas de una estrella moribunda, lo que dificulta que los cient\u00edficos observen la estructura interna.<\/p>\n<p>Pero ese no fue el caso del nuevo descubrimiento, una supernova llamada 2021yfj, ubicada en nuestra galaxia, la V\u00eda L\u00e1ctea.<\/p>\n<p>Las capas m\u00e1s externas de hidr\u00f3geno y helio de la estrella se desprendieron hace mucho tiempo, lo cual no fue sorprendente. Pero las densas capas m\u00e1s internas de silicio y azufre tambi\u00e9n se separaron durante la explosi\u00f3n.<\/p>\n<p>El hallazgo aporta pruebas a las ideas que los cient\u00edficos tienen sobre c\u00f3mo se ven las grandes estrellas cerca del final de sus vidas, organizadas en capas con elementos m\u00e1s ligeros en el exterior y m\u00e1s pesados cerca del n\u00facleo.<\/p>\n<blockquote><p>Debido a que muchas de las capas se hab\u00edan desprendido de esta estrella, esto b\u00e1sicamente confirm\u00f3 cu\u00e1les eran esas capas\u201d, afirm\u00f3 Anya Nugent, quien estudia supernovas en el Centro de Astrof\u00edsica Harvard-Smithsonian y no particip\u00f3 en la nueva investigaci\u00f3n.<\/p><\/blockquote>\n<p>A\u00fan no se sabe c\u00f3mo esta estrella se redujo tanto, si sus capas fueron lanzadas violentamente en las etapas finales de su vida o si fueron arrancadas por una estrella gemela. Futuras investigaciones podr\u00edan ofrecer pistas, aunque los cient\u00edficos reconocen que tal evento puede ser dif\u00edcil de captar nuevamente.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apuntan varios telescopios hacia la supernova llamada 2021yfj, ubicada en nuestra galaxia, la V\u00eda L\u00e1ctea<\/p>\n","protected":false},"author":1,"featured_media":7198,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[94],"tags":[],"class_list":["post-7197","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-y-tecnologia"],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3-150x150.jpg","medium":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3-300x200.jpg","medium_large":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3-768x512.jpg","large":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3.jpg","1536x1536":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3.jpg","2048x2048":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3.jpg","morenews-large":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3.jpg","morenews-medium":"https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3.jpg"},"magazineBlocksPostAuthor":{"name":"Redactor","avatar":"https:\/\/pornuestrolaredo.com\/wp-content\/litespeed\/avatar\/dca1d7ec750c399f025f23b0b314f4cf.jpg?ver=1777612120"},"magazineBlocksPostCommentsNumber":false,"magazineBlocksPostExcerpt":"Apuntan varios telescopios hacia la supernova llamada 2021yfj, ubicada en nuestra galaxia, la V\u00eda L\u00e1ctea","magazineBlocksPostCategories":["Ciencia y Tecnolog\u00eda"],"magazineBlocksPostViewCount":133,"magazineBlocksPostReadTime":2,"magazine_blocks_featured_image_url":{"full":["https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3.jpg",980,653,false],"medium":["https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3-300x200.jpg",300,200,true],"thumbnail":["https:\/\/pornuestrolaredo.com\/wp-content\/uploads\/2025\/08\/Stereo91-20250826-3-150x150.jpg",150,150,true]},"magazine_blocks_author":{"display_name":"Redactor","author_link":"https:\/\/pornuestrolaredo.com\/?author=1"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/pornuestrolaredo.com\/wp-content\/litespeed\/avatar\/dca1d7ec750c399f025f23b0b314f4cf.jpg?ver=1777612120","magazine_blocks_category":"<a href=\"#\" class=\"category-link 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