{"id":12773,"date":"2022-07-12T17:28:34","date_gmt":"2022-07-12T15:28:34","guid":{"rendered":"https:\/\/www.mdscc.nasa.gov\/?p=12773"},"modified":"2022-07-12T17:33:15","modified_gmt":"2022-07-12T15:33:15","slug":"el-telescopio-webb-de-la-nasa-capta-el-espectaculo-final-de-una-estrella-agonizante","status":"publish","type":"post","link":"https:\/\/www.mdscc.nasa.gov\/index.php\/2022\/07\/12\/el-telescopio-webb-de-la-nasa-capta-el-espectaculo-final-de-una-estrella-agonizante\/","title":{"rendered":"El telescopio Webb de la NASA capta el espect\u00e1culo final de una estrella agonizante"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">La estrella m\u00e1s tenue del centro de esta imagen ha estado emitiendo anillos de gas y polvo en todas direcciones durante miles de a\u00f1os. El telescopio espacial James Webb de la NASA ha revelado por primera vez que esta estrella est\u00e1 cubierta de polvo.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Algunas estrellas se reservan lo mejor para el final.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dos c\u00e1maras a bordo de Webb capturaron la m\u00e1s reciente imagen de esta nebulosa planetaria, catalogada como NGC&nbsp;3132 y conocida informalmente como la Nebulosa del Anillo del Sur. Esta nebulosa est\u00e1 a unos 2.500&nbsp;a\u00f1os luz de distancia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Webb permitir\u00e1 a la comunidad astron\u00f3mica profundizar en muchos otros detalles espec\u00edficos acerca de nebulosas planetarias como esta, formadas por nubes de gas y polvo expulsado por estrellas agonizantes. Comprender qu\u00e9 mol\u00e9culas est\u00e1n presentes, y d\u00f3nde se encuentran a lo largo de las capas de gas y polvo, ayudar\u00e1 a los investigadores a refinar su conocimiento de estos objetos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta observaci\u00f3n muestra a la Nebulosa del Anillo del Sur en una vista casi frontal, pero si pudi\u00e9ramos rotarla para verla de perfil, su forma tridimensional se ver\u00eda m\u00e1s claramente como dos cuencos unidos por su base, apart\u00e1ndose el uno del otro con un gran agujero en el centro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dos estrellas, que est\u00e1n unidas en una estrecha \u00f3rbita, dan forma al paisaje local. Las im\u00e1genes infrarrojas de Webb presentan nuevos detalles de este complejo sistema. Las estrellas, y sus capas de luz, son prominentes en la imagen de la\u00a0<a href=\"https:\/\/webb.nasa.gov\/content\/observatory\/instruments\/nircam.html\">Near-Infrared Camera<\/a> (NIRCam) de la izquierda, mientras que la imagen del <a href=\"https:\/\/webb.nasa.gov\/content\/observatory\/instruments\/miri.html\">Mid-Infrared Instrument<\/a> (MIRI) de la derecha muestra por primera vez que la <a href=\"https:\/\/webbtelescope.org\/news\/first-images\">segunda estrella<\/a> est\u00e1 rodeada de polvo. La estrella m\u00e1s brillante se encuentra en una etapa anterior de su evoluci\u00f3n estelar y es probable que en el futuro expulse su propia nebulosa planetaria.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mientras tanto, la estrella m\u00e1s brillante influye en la apariencia de la nebulosa. A medida que el par de estrellas contin\u00faa orbit\u00e1ndose entre s\u00ed, \u201cbaten\u201d el gas y el polvo, produciendo patrones asim\u00e9tricos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cada capa representa un episodio en el que la estrella m\u00e1s tenue perdi\u00f3 parte de su masa. Las capas m\u00e1s anchas de gas situadas hacia las \u00e1reas exteriores de la imagen fueron expulsadas antes. Las m\u00e1s cercanas a la estrella son las m\u00e1s recientes. Rastrear estas emisiones permite a los investigadores observar la historia de este sistema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las observaciones hechas con NIRCam tambi\u00e9n revelan <a href=\"https:\/\/webbtelescope.org\/news\/first-images\">rayos de luz extremadamente finos<\/a> alrededor de la nebulosa planetaria. La luz de las estrellas centrales brota a raudales donde hay agujeros en el gas y el polvo, de modo parecido a la luz solar que escapa a trav\u00e9s de los huecos de una nube.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dado que las nebulosas planetarias existen durante decenas o miles de a\u00f1os, observar la nebulosa es como mirar una pel\u00edcula en c\u00e1mara extremadamente lenta. Cada capa expulsada por la estrella les da a los investigadores la capacidad de medir con precisi\u00f3n el gas y el polvo que est\u00e1n presentes dentro de ella.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A medida que la estrella libera capas de material, se forman mol\u00e9culas y polvo dentro de estas capas, cambiando el paisaje incluso mientras la estrella contin\u00faa desprendiendo material. Este polvo eventualmente enriquecer\u00e1 las \u00e1reas a su alrededor, expandi\u00e9ndose en lo que se conoce como el\u00a0<a href=\"https:\/\/webbtelescope.org\/glossary.html#h3-CK-5e7e2388-0eae-4a31-96f7-ad1f8419c9eb\">medio interestelar<\/a>. Y dado que tiene una vida muy larga, el polvo puede terminar viajando a trav\u00e9s del espacio durante miles de millones de a\u00f1os y convertirse en una nueva estrella o un nuevo planeta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En unos de miles de a\u00f1os, estas delicadas capas de gas y polvo se disipar\u00e1n en el espacio que las rodea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para obtener el conjunto completo de las primeras im\u00e1genes y espectros de Webb, incluidos los archivos descargables:\u00a0<br><a href=\"https:\/\/webbtelescope.org\/news\/first-images\">https:\/\/webbtelescope.org\/news\/first-images<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Traducci\u00f3n: Ciencia NASA<\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Edici\u00f3n: R. Castro.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cr\u00e9ditos: NASA, ESA, CSA, STScI y el equipo de producci\u00f3n ERO de Webb<\/p>\n","protected":false},"author":2,"featured_media":12774,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79,252],"tags":[],"class_list":["post-12773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","category-ultimas-noticias"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Cr\u00e9ditos: NASA, ESA, CSA, STScI y el equipo de producci\u00f3n ERO de Webb\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"mdscc\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.mdscc.nasa.gov\/index.php\/2022\/07\/12\/el-telescopio-webb-de-la-nasa-capta-el-espectaculo-final-de-una-estrella-agonizante\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"es_ES\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Madrid Deep Space Communications Complex                                                         - DEEP SPACE NETWORK\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"El telescopio Webb de la NASA capta el espect\u00e1culo final de una estrella agonizante - Madrid Deep Space Communications Complex\" \/>\n\t\t<meta property=\"og:description\" content=\"Cr\u00e9ditos: NASA, ESA, CSA, STScI y el equipo de producci\u00f3n ERO de Webb\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.mdscc.nasa.gov\/index.php\/2022\/07\/12\/el-telescopio-webb-de-la-nasa-capta-el-espectaculo-final-de-una-estrella-agonizante\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.mdscc.nasa.gov\/wp-content\/uploads\/2021\/06\/Logo-transparente-NASA.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.mdscc.nasa.gov\/wp-content\/uploads\/2021\/06\/Logo-transparente-NASA.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-07-12T15:28:34+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2022-07-12T15:33:15+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"El telescopio Webb de la NASA capta el espect\u00e1culo final de una estrella agonizante - Madrid Deep Space Communications Complex\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Cr\u00e9ditos: NASA, ESA, CSA, STScI y el equipo de producci\u00f3n ERO de Webb\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.mdscc.nasa.gov\/wp-content\/uploads\/2021\/06\/Logo-transparente-NASA.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.mdscc.nasa.gov\\\/index.php\\\/2022\\\/07\\\/12\\\/el-telescopio-webb-de-la-nasa-capta-el-espectaculo-final-de-una-estrella-agonizante\\\/#blogposting\",\"name\":\"El telescopio Webb de la NASA capta el espect\\u00e1culo final de una estrella agonizante - Madrid Deep Space Communications Complex\",\"headline\":\"El telescopio Webb de la NASA capta el espect\\u00e1culo final de una estrella agonizante\",\"author\":{\"@id\":\"https:\\\/\\\/www.mdscc.nasa.gov\\\/index.php\\\/author\\\/mdscc-cev\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.mdscc.nasa.gov\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.mdscc.nasa.gov\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/main_image_stellar_death_s_ring_miri_nircam_sidebyside-5mb.jpg\",\"width\":1041,\"height\":483,\"caption\":\"This side-by-side comparison shows observations of the Southern Ring Nebula in near-infrared light, at left, and mid-infrared light, at right, from NASA\\u2019s Webb Telescope.\\n\\nThis scene was created by a white dwarf star \\u2013 the remains of a star like our Sun after it shed its outer layers and stopped burning fuel though nuclear fusion. 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