{"id":2539,"date":"2026-02-02T00:03:00","date_gmt":"2026-02-02T07:03:00","guid":{"rendered":"https:\/\/buenosdiasbcs.com\/?p=2539"},"modified":"2026-02-01T22:16:08","modified_gmt":"2026-02-02T05:16:08","slug":"el-hubble-capta-una-explosion-estelar-que-enciende-nubes-cosmicas","status":"publish","type":"post","link":"https:\/\/buenosdiasbcs.com\/?p=2539","title":{"rendered":"El Hubble capta una explosi\u00f3n estelar que enciende nubes c\u00f3smicas"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-detras-de-este-espectaculo-se-encuentra-la-protoestrella-iras-18162-2048-una-gigante-en-formacion-con-aproximadamente-20-veces-la-masa-del-sol\">Detr\u00e1s de este espect\u00e1culo se encuentra la protoestrella IRAS 18162-2048, una gigante en formaci\u00f3n con aproximadamente 20 veces la masa del Sol.<\/h2>\n\n\n\n<p>El&nbsp;<strong>Telescopio Espacial Hubble de la NASA<\/strong>&nbsp;ha vuelto a asombrar a la comunidad cient\u00edfica con una imagen impactante: un chorro de gas expulsado por una estrella en formaci\u00f3n atraviesa una vasta regi\u00f3n oscura del espacio, ilumin\u00e1ndola con destellos rosas y verdes que parecen incendiar las nubes interestelares.<\/p>\n\n\n\n<p>Las estructuras brillantes que recorren la imagen en diagonal corresponden a&nbsp;<strong>HH 80<\/strong>&nbsp;y&nbsp;<strong>HH 81<\/strong>, un par de objetos Herbig-Haro observados por primera vez por el Hubble en 1995. La mancha ubicada en la parte superior izquierda pertenece a HH 81, mientras que la franja inferior forma parte de HH 80.&nbsp;<\/p>\n\n\n\n<p>Estos objetos se originan cuando chorros de gas ionizado, expulsados por una protoestrella, chocan contra material m\u00e1s lento liberado previamente, generando intensas ondas de choque.<\/p>\n\n\n\n<p>El chorro que alimenta a HH 80\/81 se extiende a lo largo de 32 a\u00f1os luz, lo que lo convierte en el mayor chorro protoestelar conocido hasta ahora. Al producirse las colisiones, el gas se calienta y los \u00e1tomos se excitan, provocando el brillo caracter\u00edstico que distingue a estos objetos en el espacio profundo.<\/p>\n\n\n\n<p>Detr\u00e1s de este espect\u00e1culo c\u00f3smico se encuentra la&nbsp;<strong>protoestrella IRAS 18162-2048<\/strong>, una gigante en formaci\u00f3n con aproximadamente 20 veces la masa del Sol. Se trata de la protoestrella m\u00e1s masiva de la nube molecular L291 y la responsable de impulsar los objetos Herbig-Haro m\u00e1s brillantes jam\u00e1s registrados. A partir de observaciones del Hubble, los astr\u00f3nomos midieron velocidades superiores a 1.000 kil\u00f3metros por segundo en partes del chorro, el flujo de salida m\u00e1s r\u00e1pido detectado en longitudes de onda de radio y visual para un objeto estelar joven.<\/p>\n\n\n\n<p>Este sistema resulta excepcional, ya que es el \u00fanico chorro Herbig-Haro conocido impulsado por una estrella joven y muy masiva, cuando lo habitual es que estos fen\u00f3menos est\u00e9n asociados a estrellas de menor masa.<\/p>\n\n\n\n<p>La C\u00e1mara de Gran Angular 3 del Hubble fue clave para este descubrimiento, gracias a su alta sensibilidad y resoluci\u00f3n, que permitieron analizar con detalle la estructura, los movimientos y los cambios a lo largo del tiempo en HH 80\/81.&nbsp;<\/p>\n\n\n\n<p>El par se localiza a unos 5.500 a\u00f1os luz de la Tierra, en la constelaci\u00f3n de Sagitario, record\u00e1ndonos que incluso en las regiones m\u00e1s oscuras del universo, el nacimiento de una estrella puede desatar un espect\u00e1culo de energ\u00eda y luz sin precedentes.<\/p>\n\n\n\n<p>Con informaci\u00f3n de la NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Detr\u00e1s de este espect\u00e1culo se encuentra la protoestrella IRAS 18162-2048, una gigante en formaci\u00f3n con aproximadamente 20 veces la masa&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2540,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-2539","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 v27.5) - 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