{"id":88851,"date":"2025-03-28T08:28:08","date_gmt":"2025-03-28T07:28:08","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/el-webb-fotografia-por-primera-vez-las-auroras-de-neptuno\/"},"modified":"2025-03-28T08:28:08","modified_gmt":"2025-03-28T07:28:08","slug":"el-webb-fotografia-por-primera-vez-las-auroras-de-neptuno","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/el-webb-fotografia-por-primera-vez-las-auroras-de-neptuno\/","title":{"rendered":"El Webb fotograf\u00eda por primera vez las auroras de Neptuno"},"content":{"rendered":"

Una fotograf\u00eda tomada por el telescopio James Webb permite apreciar por primera vez el fen\u00f3meno de las auras en Neptuno. El \u00faltimo planeta del sistema solar confirma las sospechas de los astr\u00f3nomos sobre esta actividad que tambi\u00e9n se da en J\u00fapiter, Saturno, Urano y en la Tierra.<\/p>\n

Los datos se obtuvieron en junio de 2023 mediante el\u00a0sistema espectr\u00f3grafo de infrarrojo cercano integrado en el telescopio. Adem\u00e1s de las im\u00e1genes del planeta, los astr\u00f3nomos obtuvieron un espectro para caracterizar la composici\u00f3n y medir la temperatura de la atm\u00f3sfera superior del planeta (la ionosfera) obtuvo un espectro de la composici\u00f3n y temperatura de la atmosfera superior de Neptuno (ionosfera).<\/p>\n

Encontraron una l\u00ednea de emisi\u00f3n muy prominente que conlleva la presencia del cati\u00f3n trihidr\u00f3geno (H3+), que puede crearse en las auroras<\/p>\n

Por primera vez, encontraron una l\u00ednea de emisi\u00f3n extremadamente prominente que conlleva la presencia del cati\u00f3n trihidr\u00f3geno (H3+), que puede crearse en las auroras. En las im\u00e1genes Webb de Neptuno, la aurora brillante aparece como manchas representadas con una serie de manchas color\u00a0cian.<\/p>\n

Los astr\u00f3nomos afirman que este descubrimiento ayudar\u00e1 a comprender la interacci\u00f3n de las part\u00edculas solares a distancias mayores, as\u00ed como el funcionamiento de los campos magn\u00e9ticos de este planeta.<\/p>\n

<\/a><\/p>\n

Auroras diferentes<\/h2>\n

La formaci\u00f3n de las auroras se fundamenta en las part\u00edculas de energ\u00eda originadas por el Sol que quedan atrapadas por el campo magn\u00e9tico de un planeta y chocan con su atm\u00f3sfera superior. Finalmente, la energ\u00eda liberada de esta interacci\u00f3n es lo que produce sus caracter\u00edsticos\u00a0colores.<\/p>\n

A diferencia de lo que se suele ver en otros planetas, las auroras de Neptuno no se posicionan en los polos Norte y Sur del cuerpo celeste como ocurre en la Tierra, J\u00fapiter o Saturno, si no que se ubican a una latitud geogr\u00e1fica media. Si lo compar\u00e1semos con la Tierra, esto quiere decir que se ver\u00edan a la altura de Am\u00e9rica del Sur.<\/p>\n

A diferencia de lo que se suele ver en otros planetas, las auroras de Neptuno no se sit\u00faan en los polos Norte y Sur<\/p>\n

En 1989 la sonda espacial Voyager 2 determin\u00f3 que el campo magn\u00e9tico de Neptuno estaba desviado por 47 grados del eje de rotaci\u00f3n del planeta, lo que explica por qu\u00e9 las auroras se posicionan lejos de los polos de rotaci\u00f3n.<\/p>\n

Adem\u00e1s, datos tambi\u00e9n recogidos por Voyager 2 predijeron que una baja temperatura en la atm\u00f3sfera podr\u00eda influir en la intensidad de la actividad auroral. De hecho, un cambio abrupto de enfriamiento, pese a la distancia del Sol, cambiar\u00eda por completo las condiciones de una regi\u00f3n atmosf\u00e9rica. La suma de estos dos factores explica por qu\u00e9 las auroras de Neptuno no se han podido detectar durante tanto tiempo.<\/p>\n

Gracias al telescopio Webb, los cient\u00edficos esperan estudiar en profundidad los l\u00edmites del sistema solar. Durante un ciclo solar completo, es decir, un periodo de 11 a\u00f1os recoger\u00e1 la actividad del campo magn\u00e9tico producido por nuestra estrella sobre Neptuno y los resultados podr\u00edan arrojar luz sobre su err\u00e1tico campo magn\u00e9tico.<\/p>","protected":false},"excerpt":{"rendered":"

Una fotograf\u00eda tomada por el telescopio James Webb permite apreciar por primera vez el fen\u00f3meno de las auras en Neptuno. El \u00faltimo planeta del sistema solar confirma las sospechas de los astr\u00f3nomos sobre esta actividad que tambi\u00e9n se da en J\u00fapiter, Saturno, Urano y en la Tierra. Los datos se obtuvieron en junio de 2023 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-88851","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"\nEl Webb fotograf\u00eda por primera vez las auroras de Neptuno - bip4ex<\/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:\/\/helloproject.es\/vigilancia\/el-webb-fotografia-por-primera-vez-las-auroras-de-neptuno\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El Webb fotograf\u00eda por primera vez las auroras de Neptuno\" \/>\n<meta property=\"og:description\" content=\"Una fotograf\u00eda tomada por el telescopio James Webb permite apreciar por primera vez el fen\u00f3meno de las auras en Neptuno. 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