{"id":4806,"date":"2026-10-23T19:56:57","date_gmt":"2026-10-23T23:56:57","guid":{"rendered":"https:\/\/canasanta.ca\/?p=4806"},"modified":"2026-10-23T20:02:52","modified_gmt":"2026-10-24T00:02:52","slug":"tres-fantasmas-nuevos-cassiopeia-nasa-2026","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/ciencia\/cosmos\/tres-fantasmas-nuevos-cassiopeia-nasa-2026\/","title":{"rendered":"TRES FANTASMAS NUEVOS APARECEN EN CASSIOPEIA"},"content":{"rendered":"

Una exposici\u00f3n de 100 horas y un filtro especial para ox\u00edgeno ionizado han revelado tres estructuras extremadamente d\u00e9biles en la constelaci\u00f3n de Cassiopeia. Dos de ellas todav\u00eda no tienen una explicaci\u00f3n definitiva.<\/h3>\n
<\/div>\n

Una regi\u00f3n conocida esconde algo nuevo<\/strong><\/h2>\n

Cassiopeia lleva siglos siendo una de las constelaciones m\u00e1s reconocibles del cielo del hemisferio norte. Sin embargo, una observaci\u00f3n de enorme profundidad acaba de mostrar que incluso regiones aparentemente familiares pueden esconder estructuras que hab\u00edan pasado inadvertidas.<\/p>\n

La imagen difundida este 21 de octubre por NASA como Astronomy Picture of the Day fue obtenida despu\u00e9s de unas 100 horas de observaci\u00f3n y utilizando un filtro especializado capaz de aislar la emisi\u00f3n del ox\u00edgeno ionizado. El resultado muestra tres objetos tenues que no forman parte de los conocidos IC 59 e IC 63, las nebulosas popularmente llamadas los Fantasmas de Cassiopeia.<\/p>\n

<\/div>\n

Tres objetos y varias preguntas<\/strong><\/h2>\n

Los nuevos objetos aparecen como estructuras azuladas producidas por ox\u00edgeno ionizado. La pregunta fundamental es qu\u00e9 fuente de energ\u00eda est\u00e1 arrancando electrones de esos \u00e1tomos y haciendo visible el gas.<\/p>\n

NASA se\u00f1ala que una de las posibilidades para el denominado Objeto 3 est\u00e1 relacionada con Gamma Cassiopeiae, un sistema estelar m\u00faltiple extremadamente energ\u00e9tico. Al desplazarse a trav\u00e9s del gas y el polvo interestelar, el sistema podr\u00eda acumular y comprimir material delante de s\u00ed, de manera semejante a la onda que forma la proa de una embarcaci\u00f3n. Ese choque podr\u00eda calentar el ox\u00edgeno y explicar parte de la emisi\u00f3n observada.<\/p>\n

El Objeto 1 presenta un misterio diferente. Una de las hip\u00f3tesis es que pueda tratarse de una nebulosa planetaria, el material expulsado por una estrella al final de determinadas fases de su evoluci\u00f3n. Pero para sostener esa interpretaci\u00f3n ser\u00e1 necesario identificar una enana blanca central asociada a la estructura.<\/p>\n

El origen de los tres objetos, por tanto, no est\u00e1 cerrado. La observaci\u00f3n es importante precisamente porque convierte unas manchas extremadamente d\u00e9biles en nuevos objetivos para espectroscopia y observaciones posteriores.<\/p>\n

<\/div>\n

El ox\u00edgeno que delat\u00f3 a los fantasmas<\/strong><\/h2>\n

IC 59 e IC 63 son estructuras conocidas cerca de Gamma Cassiopeiae. La intensa radiaci\u00f3n del sistema hace brillar el hidr\u00f3geno de esas nebulosas, mientras el polvo dispersa parte de la luz estelar. Los nuevos objetos, en cambio, destacan gracias a la emisi\u00f3n del ox\u00edgeno ionizado.<\/p>\n

Detectar estructuras de brillo superficial tan bajo exige largas exposiciones y t\u00e9cnicas que separen se\u00f1ales muy espec\u00edficas del resplandor general del cielo. En este caso, la combinaci\u00f3n de tiempo de integraci\u00f3n y filtrado permiti\u00f3 sacar a la luz material que pr\u00e1cticamente desaparece en una observaci\u00f3n convencional.<\/p>\n

<\/div>\n

El cielo todav\u00eda guarda estructuras invisibles<\/strong><\/h2>\n

El hallazgo no significa que se haya descubierto una nueva estrella o un planeta. Lo que apareci\u00f3 son estructuras nebulares extremadamente d\u00e9biles cuya naturaleza todav\u00eda debe determinarse. Esa diferencia es esencial: la observaci\u00f3n abre una investigaci\u00f3n, no la cierra.<\/p>\n

Y precisamente ah\u00ed est\u00e1 su inter\u00e9s. En una zona del cielo observada innumerables veces, una exposici\u00f3n excepcionalmente profunda ha revelado tres formas que obligan a formular nuevas preguntas. Cassiopeia ten\u00eda fantasmas conocidos. Desde hoy sabemos que escond\u00eda algunos m\u00e1s.<\/p>","protected":false},"excerpt":{"rendered":"

Una observaci\u00f3n de 100 horas revel\u00f3 tres estructuras extremadamente d\u00e9biles en Cassiopeia. Dos de ellas a\u00fan desaf\u00edan una explicaci\u00f3n definitiva.<\/p>","protected":false},"author":284226809,"featured_media":4807,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[33205457,33205423],"tags":[33207349,33207350,33207351,33207352],"class_list":["post-4806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-cosmos","tag-cassiopeia","tag-gamma-cassiopeiae","tag-nebulosas","tag-oxigeno-ionizado"],"acf":[],"yoast_head":"\nTRES FANTASMAS NUEVOS APARECEN EN CASSIOPEIA - Ca\u00f1asanta<\/title>\n<meta name=\"description\" content=\"Una observaci\u00f3n de 100 horas revel\u00f3 tres nuevas estructuras nebulares en Cassiopeia. 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