{"id":8115,"date":"2026-11-13T09:03:57","date_gmt":"2026-11-13T14:03:57","guid":{"rendered":"https:\/\/canasanta.ca\/?p=8115"},"modified":"2026-11-13T09:03:57","modified_gmt":"2026-11-13T14:03:57","slug":"planetas-ocultos-ondas-gravitacionales-lisa","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/ciencia\/cosmos\/planetas-ocultos-ondas-gravitacionales-lisa\/","title":{"rendered":"PLANETAS OCULTOS EN LAS ONDAS GRAVITACIONALES"},"content":{"rendered":"

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 vibraciones del propio espacio-tiempo.<\/p>\n

Dos investigaciones presentadas el 10 de noviembre de 2026 en The Astrophysical Journal<\/em> examinan la posibilidad de utilizar el futuro observatorio espacial LISA para identificar planetas en sistemas formados por dos enanas blancas. El trabajo, encabezado por Casey McGrath<\/strong>, plantea una estrategia que no depende de observar directamente la luz de esos mundos.<\/p>\n

UN PLANETA QUE MODIFICA UNA SE\u00d1AL<\/h2>\n

Para comprender la propuesta conviene imaginar dos estrellas que giran una alrededor de la otra. Aunque parezcan describir \u00f3rbitas perfectamente regulares, su movimiento cambia si existe un tercer cuerpo suficientemente masivo. Los tres objetos responden a su atracci\u00f3n gravitatoria mutua. La presencia de ese acompa\u00f1ante modifica el movimiento del conjunto, incluso cuando resulta imposible distinguirlo en una fotograf\u00eda.<\/p>\n

En la astronom\u00eda convencional, una de las maneras de aprovechar ese fen\u00f3meno consiste en medir los cambios peri\u00f3dicos en el espectro de una estrella. El nuevo planteamiento traslada el principio a las ondas gravitacionales. En lugar de examinar variaciones de la luz, los investigadores buscar\u00edan alteraciones en la se\u00f1al producida por las estrellas compactas.<\/p>\n

La dificultad es que una perturbaci\u00f3n no lleva escrita su causa. Para atribuirla a un planeta ser\u00e1 necesario descartar otras explicaciones, estimar la incertidumbre de las mediciones y determinar si el comportamiento observado resulta compatible con una \u00f3rbita estable.<\/p>\n

LOS RESTOS DE DOS ESTRELLAS<\/h2>\n

Las enanas blancas son objetos especialmente interesantes para este prop\u00f3sito. Representan una etapa final de la evoluci\u00f3n de muchas estrellas: despu\u00e9s de perder sus capas exteriores, queda un n\u00facleo extremadamente compacto. En un sistema binario, dos de esos remanentes pueden encontrarse tan pr\u00f3ximos que sus \u00f3rbitas produzcan una se\u00f1al gravitacional detectable.<\/p>\n

\"Estrellas
Cielo de la V\u00eda L\u00e1ctea. Imagen ilustrativa: Adam Dutton \/ Unsplash.<\/figcaption><\/figure>\n

Encontrar planetas alrededor de dos remanentes estelares plantear\u00eda preguntas sobre su historia. \u00bfSobrevivieron a las transformaciones de sus estrellas originales? \u00bfSe formaron posteriormente a partir de material disponible en el sistema? La mera detecci\u00f3n no permitir\u00eda escoger entre esas posibilidades, pero proporcionar\u00eda nuevos objetos sobre los que construir y contrastar hip\u00f3tesis.<\/p>\n

Tambi\u00e9n ayudar\u00eda a superar un sesgo de observaci\u00f3n. Los m\u00e9todos de detecci\u00f3n actuales no son igualmente sensibles a todos los tama\u00f1os de planetas, per\u00edodos orbitales o tipos de estrellas. Una t\u00e9cnica independiente podr\u00eda revelar sistemas que permanecen fuera del alcance de las b\u00fasquedas tradicionales.<\/p>\n

UN OBSERVATORIO SIN ESPEJO GIGANTE<\/h2>\n

LISA, una misi\u00f3n dirigida por la Agencia Espacial Europea con participaci\u00f3n estadounidense, utilizar\u00e1 tres veh\u00edculos espaciales separados por aproximadamente 2,5 millones de kil\u00f3metros. Mediante enlaces l\u00e1ser, el conjunto registrar\u00e1 cambios diminutos en las distancias relativas. Su lanzamiento est\u00e1 previsto para mediados de la d\u00e9cada de 2030.<\/p>\n

A diferencia de un telescopio \u00f3ptico, el instrumento no producir\u00e1 una fotograf\u00eda convencional del planeta. Su resultado ser\u00e1 una serie de mediciones que los cient\u00edficos tendr\u00e1n que interpretar con modelos matem\u00e1ticos. La calidad de esos modelos ser\u00e1 tan importante como la sensibilidad del observatorio.<\/p>\n

El segundo estudio propone utilizar el telescopio espacial James Webb para comprobar algunos candidatos mediante observaciones infrarrojas. Esta combinaci\u00f3n permitir\u00eda contrastar dos tipos de evidencia f\u00edsicamente diferentes, aunque la confirmaci\u00f3n depender\u00e1 de la distancia y las caracter\u00edsticas de cada sistema.<\/p>\n

UNA NUEVA MANERA DE EXPLORAR<\/h2>\n

La investigaci\u00f3n no anuncia el descubrimiento de un planeta mediante ondas gravitacionales. Lo que ofrece es una ruta para intentarlo y una estimaci\u00f3n de las condiciones en las que podr\u00eda funcionar. La distinci\u00f3n importa: todav\u00eda no existe una observaci\u00f3n de LISA que demuestre la eficacia del procedimiento.<\/p>\n

Si la t\u00e9cnica llega a funcionar, el resultado ampliar\u00e1 nuestra capacidad para reconstruir la evoluci\u00f3n de los sistemas planetarios. Y permitir\u00e1 explorar una cuesti\u00f3n que va m\u00e1s all\u00e1 de encontrar nuevos mundos: qu\u00e9 ocurre con ellos cuando las estrellas que los acompa\u00f1an llegan al final de su vida. La respuesta podr\u00eda estar escondida no en la luz de una estrella, sino en las peque\u00f1as deformaciones que su movimiento imprime en el universo.<\/p>","protected":false},"excerpt":{"rendered":"

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 vibraciones del propio espacio-tiempo. Dos […]<\/p>\n","protected":false},"author":284226809,"featured_media":8113,"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":[33205685,33208852,33208851],"class_list":["post-8115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-cosmos","tag-exoplanetas","tag-observatorio-lisa","tag-ondas-gravitacionales"],"acf":{"introduccion":"","fuentes_y_referencias":"

NASA \u2014 investigaciones sobre detecci\u00f3n de exoplanetas mediante ondas gravitacionales, 10 de noviembre de 2026, actualizado el 12<\/a><\/p>

ESA \u2014 misi\u00f3n LISA<\/a><\/p>

Fotograf\u00eda de portada: Nathan Anderson \/ Unsplash.<\/p>","autor":748},"yoast_head":"\nPLANETAS OCULTOS EN LAS ONDAS GRAVITACIONALES - Ca\u00f1asanta<\/title>\n<meta name=\"description\" content=\"Dos estudios exploran c\u00f3mo el futuro observatorio LISA podr\u00eda detectar exoplanetas alrededor de enanas blancas mediante ondas gravitacionales.\" \/>\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\/science\/cosmos\/planetas-ocultos-ondas-gravitacionales-lisa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PLANETAS OCULTOS EN LAS ONDAS GRAVITACIONALES\" \/>\n<meta property=\"og:description\" content=\"Dos estudios exploran c\u00f3mo el futuro observatorio LISA podr\u00eda detectar exoplanetas alrededor de enanas blancas mediante ondas gravitacionales.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/canasanta.ca\/en\/science\/cosmos\/planetas-ocultos-ondas-gravitacionales-lisa\/\" \/>\n<meta property=\"og:site_name\" content=\"Ca\u00f1asanta\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-13T14:03:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/\"},\"author\":{\"name\":\"Ca\u00f1asanta\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/#\\\/schema\\\/person\\\/21421a3c6f1733be6c5c590190fd8e93\"},\"headline\":\"PLANETAS OCULTOS EN LAS ONDAS GRAVITACIONALES\",\"datePublished\":\"2026-11-13T14:03:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/\"},\"wordCount\":750,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/#primaryimage\"},\"thumbnailUrl\":\"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\",\"keywords\":[\"exoplanetas\",\"Observatorio LISA\",\"Ondas gravitacionales\"],\"articleSection\":[\"AL D\u00cdA!\",\"Cosmos\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/\",\"url\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/planetas-ocultos-ondas-gravitacionales-lisa\\\/\",\"name\":\"PLANETAS OCULTOS EN LAS ONDAS GRAVITACIONALES - 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Su extrema juventud desaf\u00eda los modelos sobre la velocidad a la que pueden nacer los planetas gigantes.","rel":"","context":"In "AL D\u00cdA!"","block_context":{"text":"AL D\u00cdA!","link":"https:\/\/canasanta.ca\/en\/category\/al-dia\/"},"img":{"alt_text":"Concepto art\u00edstico de Elias 2-24 b dentro del disco de gas y polvo de su estrella joven","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/elias-2-24-b-planeta-joven.jpg?fit=1200%2C675&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\/elias-2-24-b-planeta-joven.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/elias-2-24-b-planeta-joven.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/elias-2-24-b-planeta-joven.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/elias-2-24-b-planeta-joven.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5026,"url":"https:\/\/canasanta.ca\/en\/ciencia\/cosmos\/hubble-atajo-materia-oscura-roman\/","url_meta":{"origin":8115,"position":5},"title":"HUBBLE REVELA UN ATAJO HACIA LA MATERIA OSCURA","author":"Ca\u00f1asanta","date":"October 22, 2026","format":false,"excerpt":"El telescopio espacial Hubble acaba de convertir una alineaci\u00f3n c\u00f3smica extraordinaria en una herramienta para la pr\u00f3xima gran etapa de la astronom\u00eda: medir la materia oscura con el futuro telescopio Nancy Grace Roman.La NASA public\u00f3 este 22 de octubre una nueva observaci\u00f3n en la que una galaxia el\u00edptica situada a\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 profundo de galaxias utilizado como imagen editorial para una noticia sobre lentes gravitacionales, Hubble, Roman y materia oscura","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/Hubble-abre-camino-hacia-la-materia-oscura.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\/Hubble-abre-camino-hacia-la-materia-oscura.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\/Hubble-abre-camino-hacia-la-materia-oscura.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\/Hubble-abre-camino-hacia-la-materia-oscura.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\/Hubble-abre-camino-hacia-la-materia-oscura.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\/11\/Via-Lactea-%E2%80%94-Nathan-Anderson-Unsplash.jpg?fit=1200%2C630&quality=82&strip=all&ssl=1","_links":{"self":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/8115","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=8115"}],"version-history":[{"count":1,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/8115\/revisions"}],"predecessor-version":[{"id":8116,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/8115\/revisions\/8116"}],"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\/8113"}],"wp:attachment":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/media?parent=8115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/categories?post=8115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/tags?post=8115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}