{"id":3212,"date":"2026-02-12T02:07:29","date_gmt":"2026-02-12T09:07:29","guid":{"rendered":"https:\/\/buenosdiasbcs.com\/?p=3212"},"modified":"2026-02-12T02:07:33","modified_gmt":"2026-02-12T09:07:33","slug":"captan-un-espectaculo-de-luces-alrededor-de-una-estrella-moribunda","status":"publish","type":"post","link":"https:\/\/buenosdiasbcs.com\/?p=3212","title":{"rendered":"Captan un \u201cespect\u00e1culo de luces\u201d alrededor de una estrella moribunda"},"content":{"rendered":"\n<p>3-3 minutes<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Ciudad de M\u00e9xico.-<\/strong>&nbsp;El&nbsp;<strong>Telescopio Espacial Hubble de la NASA<\/strong>&nbsp;captur\u00f3 un espect\u00e1culo de luces alrededor de una estrella que se muere r\u00e1pidamente, inform\u00f3 el martes la agencia espacial estadounidense, que difundi\u00f3 adem\u00e1s una imagen del evento c\u00f3smico.<\/p>\n\n\n\n<p>Seg\u00fan la NASA, la foto muestra un impresionante contraste de luces y sombras en la nebulosa del Huevo, moldeado por polvo estelar expulsado. Situada&nbsp;<strong>a unos 1.000 a\u00f1os luz<\/strong>, en la constelaci\u00f3n del Cisne, esta nebulosa alberga una estrella central oculta tras una densa nube de polvo, como una \u201cyema\u201d escondida en una \u201cclara\u201d oscura y opaca.<\/p>\n\n\n\n<p>\u201cLos haces gemelos de la estrella moribunda iluminan l\u00f3bulos polares de r\u00e1pido movimiento que atraviesan una serie m\u00e1s lenta y antigua de arcos conc\u00e9ntricos. Sus formas y movimientos sugieren interacciones gravitacionales con una o m\u00e1s&nbsp;<strong>estrellas compa\u00f1eras ocultas<\/strong>\u201c, explica la NASA<\/p>\n\n\n\n<p>Se trata de la primera nebulosa preplanetaria descubierta, la m\u00e1s joven y&nbsp;<strong>la m\u00e1s cercana a la Tierra<\/strong>. Una nebulosa preplanetaria es la fase previa a una nebulosa planetaria: una estructura de gas y polvo formada por las capas expulsadas de una estrella moribunda similar al Sol.<\/p>\n\n\n\n<p>Desde el organismo aclararon que la nebulosa del Huevo ofrece&nbsp;<strong>una oportunidad poco com\u00fan<\/strong>&nbsp;para poner a prueba las teor\u00edas sobre las \u00faltimas fases de la evoluci\u00f3n estelar. En esta etapa temprana, la nebulosa brilla al reflejar la luz de su estrella central, que se escapa por un \u201cojo\u201d polar en el polvo circundante. Esta luz fue expulsada de la superficie estelar hace solo unos cientos de a\u00f1os.<\/p>\n\n\n\n<p>\u201cLa compacta Nebulosa del Huevo se halla todav\u00eda en una breve fase de tr\u00e1nsito \u2014la etapa preplanetaria\u2014 que dura&nbsp;<strong>apenas unos pocos miles de a\u00f1os<\/strong>. Eso la convierte en un momento ideal para estudiar el proceso de eyecci\u00f3n mientras las pruebas forenses siguen frescas\u201d, se\u00f1ala la instituci\u00f3n.<\/p>\n\n\n\n<p>En este contexto, la NASA destaca que<strong>&nbsp;los patrones sim\u00e9tricos<\/strong>&nbsp;captados por el Hubble son demasiado ordenados para proceder de una explosi\u00f3n violenta como una supernova.<\/p>\n\n\n\n<p>\u201cEn cambio, los arcos, l\u00f3bulos y la nube central de polvo se originan probablemente en una serie coordinada de eventos de expulsi\u00f3n&nbsp;<strong>mal conocidos<\/strong>en el n\u00facleo enriquecido en carbono de la estrella moribunda\u201d, detalla.<\/p>\n\n\n\n<p>Estrellas envejecidas como esta, recuerda la NASA,&nbsp;<strong>forjaron y liberaron el polvo<\/strong>&nbsp;que acab\u00f3 sembrando futuros sistemas estelares, entre ellos el nuestro, del que surgieron la Tierra y otros planetas rocosos hace 4.500 millones de a\u00f1os.<\/p>\n\n\n\n<p><em>Con informaci\u00f3n de RT.&nbsp;<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>3-3 minutes Ciudad de M\u00e9xico.-&nbsp;El&nbsp;Telescopio Espacial Hubble de la NASA&nbsp;captur\u00f3 un espect\u00e1culo de luces alrededor de una estrella que se&#8230;<\/p>\n","protected":false},"author":2,"featured_media":3213,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-3212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.6) - 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