{"id":1633,"date":"2026-09-25T20:31:22","date_gmt":"2026-09-26T00:31:22","guid":{"rendered":"https:\/\/canasanta.ca\/?p=1633"},"modified":"2026-09-25T20:31:22","modified_gmt":"2026-09-26T00:31:22","slug":"una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/al-dia\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\/","title":{"rendered":"A DEAD STAR HIDES A \u201cENGINE\u201d THAT NO ONE CAN EXPLAIN"},"content":{"rendered":"

Astr\u00f3nomos han descubierto alrededor de RXJ0528+2838<\/strong><\/em>, una estrella muerta situada a unos 730 a\u00f1os luz de la Tierra<\/strong>, una enorme onda de choque producida por un flujo de material que parece llevar funcionando al menos 1.000 a\u00f1os<\/strong>.<\/p>\n

Hasta ah\u00ed podr\u00eda parecer simplemente otro fen\u00f3meno extremo del universo. El problema es que, seg\u00fan los modelos actuales, esa estrella no deber\u00eda poder hacerlo<\/strong>.<\/p>\n

RXJ0528+2838<\/strong> <\/em>es una enana blanca, el n\u00facleo extremadamente compacto que queda despu\u00e9s de que una estrella como nuestro Sol agota su combustible. Forma parte de un sistema binario y recibe material procedente de su estrella compa\u00f1era.<\/p>\n

Normalmente, ese material forma alrededor de la enana blanca un disco de acreci\u00f3n<\/strong>. Ese disco puede alimentar chorros y expulsiones capaces de producir grandes ondas de choque en el espacio.<\/p>\n

Pero los astr\u00f3nomos buscaron ese disco y no lo encontraron<\/strong>.<\/p>\n

Primero observaron el extra\u00f1o objeto utilizando el Isaac Newton Telescope. Despu\u00e9s recurrieron al instrumento MUSE del Very Large Telescope (VLT)<\/strong> del Observatorio Europeo Austral, que permiti\u00f3 estudiar con mayor detalle la enorme estructura de gas que rodea al sistema.<\/p>\n

Los datos indican que no estamos viendo una explosi\u00f3n aislada. Algo parece haber estado expulsando material y energ\u00eda durante aproximadamente un milenio<\/strong>.<\/p>\n

Y nadie sabe todav\u00eda exactamente qu\u00e9 lo est\u00e1 alimentando.<\/p>\n

La enana blanca posee un fuerte campo magn\u00e9tico y los investigadores sospechan que el magnetismo podr\u00eda desempe\u00f1ar un papel fundamental. Pero los modelos disponibles no consiguen explicar completamente la potencia ni la duraci\u00f3n del fen\u00f3meno observado<\/strong>.<\/p>\n

Los propios cient\u00edficos hablan de un \u201cmotor misterioso\u201d<\/strong> todav\u00eda por identificar.<\/p>\n

El descubrimiento acaba de publicarse en Nature Astronomy<\/em> y plantea una posibilidad fascinante: algunas estrellas muertas podr\u00edan disponer de mecanismos capaces de liberar enormes cantidades de energ\u00eda que todav\u00eda no comprendemos<\/strong>.<\/p>\n

A 730 a\u00f1os luz de nosotros, una estrella que termin\u00f3 su vida hace much\u00edsimo tiempo contin\u00faa haciendo algo que, seg\u00fan nuestras explicaciones actuales, no deber\u00eda estar haciendo<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"

Astr\u00f3nomos han descubierto alrededor de RXJ0528+2838, una estrella muerta situada a unos 730 a\u00f1os luz de la Tierra, una enorme onda de choque producida por un flujo de material que parece llevar funcionando al menos 1.000 a\u00f1os. Hasta ah\u00ed podr\u00eda parecer simplemente otro fen\u00f3meno extremo del universo. El problema es que, seg\u00fan los modelos actuales, […]<\/p>\n","protected":false},"author":284226809,"featured_media":1635,"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":[33205457,3213,33205423],"tags":[33205574,33206118,33206122,33206117,33206124,33206123,33206119,33205477,33206120,33206121],"class_list":["post-1633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-ciencia","category-cosmos","tag-astronomia","tag-enana-blanca","tag-eso","tag-estrella-muerta","tag-misterio-espacial","tag-onda-de-choque","tag-rxj05282838","tag-universo","tag-very-large-telescope","tag-vlt"],"acf":{"introduccion":"

A 730 a\u00f1os luz de la Tierra<\/strong>, una estrella muerta lleva cerca de mil a\u00f1os expulsando materia y energ\u00eda de una forma que los cient\u00edficos no consiguen explicar<\/strong>. No tiene el disco que deber\u00eda alimentar semejante fen\u00f3meno y los modelos actuales no logran resolver el misterio. Los astr\u00f3nomos saben que hay algo funcionando all\u00ed. Lo que todav\u00eda no saben es qu\u00e9.<\/strong><\/h2>","fuentes_y_referencias":"","autor":[748]},"yoast_head":"\nUNA ESTRELLA MUERTA ESCONDE UN \u201cMOTOR\u201d QUE NADIE PUEDE EXPLICAR - Ca\u00f1asanta<\/title>\n<meta name=\"description\" content=\"Una enana blanca a 730 a\u00f1os luz produce una enorme onda de choque desde hace unos 1.000 a\u00f1os, pero los astr\u00f3nomos no encuentran el mecanismo que deber\u00eda alimentarla.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/canasanta.ca\/en\/daily\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UNA ESTRELLA MUERTA ESCONDE UN \u201cMOTOR\u201d QUE NADIE PUEDE EXPLICAR\" \/>\n<meta property=\"og:description\" content=\"Una enana blanca a 730 a\u00f1os luz produce una enorme onda de choque desde hace unos 1.000 a\u00f1os, pero los astr\u00f3nomos no encuentran el mecanismo que deber\u00eda alimentarla.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/canasanta.ca\/en\/daily\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\/\" \/>\n<meta property=\"og:site_name\" content=\"Ca\u00f1asanta\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-26T00:31:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/09\/CS_enana_blanca_001.jpg?resize=1200,630&quality=85&strip=all&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ca\u00f1asanta\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ca\u00f1asanta\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/\"},\"author\":{\"name\":\"Ca\u00f1asanta\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/#\\\/schema\\\/person\\\/21421a3c6f1733be6c5c590190fd8e93\"},\"headline\":\"UNA ESTRELLA MUERTA ESCONDE UN \u201cMOTOR\u201d QUE NADIE PUEDE EXPLICAR\",\"datePublished\":\"2026-09-26T00:31:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/\"},\"wordCount\":351,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/canasanta.ca\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/CS_enana_blanca_001.jpg?fit=1200%2C631&quality=82&strip=all&ssl=1\",\"keywords\":[\"astronom\u00eda\",\"enana blanca\",\"ESO\",\"estrella muerta\",\"misterio espacial\",\"onda de choque\",\"RXJ0528+2838\",\"universo\",\"Very Large Telescope\",\"VLT\"],\"articleSection\":[\"AL D\u00cdA!\",\"Ciencia\",\"Cosmos\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/\",\"url\":\"https:\\\/\\\/canasanta.ca\\\/al-dia\\\/una-estrella-muerta-esconde-un-motor-que-nadie-puede-explicar\\\/\",\"name\":\"UNA ESTRELLA MUERTA ESCONDE UN \u201cMOTOR\u201d QUE NADIE PUEDE EXPLICAR - 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El resultado obliga a mirar de nuevo c\u00f3mo las galaxias peque\u00f1as fabrican, retienen y expulsan los elementos pesados que terminan formando nuevas estrellas,\u2026","rel":"","context":"In "AL D\u00cdA!"","block_context":{"text":"AL D\u00cdA!","link":"https:\/\/canasanta.ca\/en\/category\/al-dia\/"},"img":{"alt_text":"Galaxia enana NGC 4449 observada por el telescopio espacial Hubble, con regiones de formaci\u00f3n estelar y gas brillante.","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/NGC-4449-%E2%80%94-galaxia-enana-estudiada-por-Hubble.jpg?fit=1200%2C900&quality=82&strip=all&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/NGC-4449-%E2%80%94-galaxia-enana-estudiada-por-Hubble.jpg?fit=1200%2C900&quality=82&strip=all&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/NGC-4449-%E2%80%94-galaxia-enana-estudiada-por-Hubble.jpg?fit=1200%2C900&quality=82&strip=all&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/NGC-4449-%E2%80%94-galaxia-enana-estudiada-por-Hubble.jpg?fit=1200%2C900&quality=82&strip=all&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/NGC-4449-%E2%80%94-galaxia-enana-estudiada-por-Hubble.jpg?fit=1200%2C900&quality=82&strip=all&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5975,"url":"https:\/\/canasanta.ca\/en\/al-dia\/un-agujero-negro-errante-devora-una-estrella\/","url_meta":{"origin":1633,"position":4},"title":"UN AGUJERO NEGRO ERRANTE DEVORA UNA ESTRELLA","author":"Ca\u00f1asanta","date":"October 28, 2026","format":false,"excerpt":"Los astr\u00f3nomos han detectado una estrella siendo despedazada por un agujero negro supermasivo situado lejos del centro de su galaxia. 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La se\u00f1al fue identificada por la Zwicky Transient Facility,\u2026","rel":"","context":"In "AL D\u00cdA!"","block_context":{"text":"AL D\u00cdA!","link":"https:\/\/canasanta.ca\/en\/category\/al-dia\/"},"img":{"alt_text":"black Hole eating Star","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/blackHole_eatingStar.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/blackHole_eatingStar.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/blackHole_eatingStar.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/blackHole_eatingStar.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/blackHole_eatingStar.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":8115,"url":"https:\/\/canasanta.ca\/en\/ciencia\/cosmos\/planetas-ocultos-ondas-gravitacionales-lisa\/","url_meta":{"origin":1633,"position":5},"title":"PLANETAS OCULTOS EN LAS ONDAS GRAVITACIONALES","author":"Ca\u00f1asanta","date":"November 13, 2026","format":false,"excerpt":"Un planeta no necesita emitir luz para delatar su existencia. Basta con que su gravedad altere el movimiento de otros cuerpos. Esa idea, que ha permitido descubrir miles de mundos fuera del sistema solar, podr\u00eda adquirir una dimensi\u00f3n completamente distinta cuando los astr\u00f3nomos dispongan de instrumentos capaces de registrar las\u2026","rel":"","context":"In "AL D\u00cdA!"","block_context":{"text":"AL D\u00cdA!","link":"https:\/\/canasanta.ca\/en\/category\/al-dia\/"},"img":{"alt_text":"Campo estelar de la V\u00eda L\u00e1ctea","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/09\/CS_enana_blanca_001.jpg?fit=1200%2C631&quality=82&strip=all&ssl=1","_links":{"self":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/1633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/users\/284226809"}],"replies":[{"embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/comments?post=1633"}],"version-history":[{"count":2,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/1633\/revisions"}],"predecessor-version":[{"id":1636,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/1633\/revisions\/1636"}],"acf:post":[{"embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/autor\/748"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/media\/1635"}],"wp:attachment":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/media?parent=1633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/categories?post=1633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/tags?post=1633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}