{"id":315109,"date":"2026-07-06T23:16:48","date_gmt":"2026-07-06T23:16:48","guid":{"rendered":"http:\/\/6a4c0d177f1c4adbaf92ba18"},"modified":"2026-07-06T23:16:48","modified_gmt":"2026-07-06T23:16:48","slug":"detectan-una-misteriosa-sustancia-en-pluton-y-titan-con-una-firma-quimica-desconocida-para-los-humanos","status":"publish","type":"post","link":"https:\/\/sarmiento24h.com\/?p=315109","title":{"rendered":"Detectan una misteriosa sustancia en Plut\u00f3n y Tit\u00e1n con una firma qu\u00edmica desconocida para los humanos"},"content":{"rendered":"<p>Un \u00faltimo vistazo al planeta enano Plut\u00f3n y a Tit\u00e1n, la mayor luna de Saturno, desconcert\u00f3 a los astr\u00f3nomos. El telescopio espacial James Webb (JWST, por sus siglas en ingl\u00e9s) detect\u00f3 sobre sus superficies una firma qu\u00edmica que no coincide con ninguna registrada en las bases de datos espectrosc\u00f3picas. Los investigadores creen que no se trata de un error instrumental, sino de la huella de un compuesto cuya identidad sigue siendo un misterio. Podr\u00eda ser una mezcla de materiales nunca estudiada en laboratorio o incluso un compuesto cuya qu\u00edmica todav\u00eda no ha sido caracterizada.<\/p>\n<p>El hallazgo aparece en un <a data-offer-url=\"https:\/\/arxiv.org\/abs\/2606.13350\" class=\"external-link\" data-event-click=\"{&quot;element&quot;:&quot;ExternalLink&quot;,&quot;outgoingURL&quot;:&quot;https:\/\/arxiv.org\/abs\/2606.13350&quot;}\" href=\"https:\/\/arxiv.org\/abs\/2606.13350\" rel=\"nofollow noopener\" target=\"_blank\">estudio<\/a> que espera su publicaci\u00f3n en la revista <em>Astronomy &amp; Astrophysics<\/em>. Los cient\u00edficos identificaron una banda de absorci\u00f3n centrada en 5.113 micr\u00f3metros tanto en Tit\u00e1n como en Plut\u00f3n, dos mundos separados por miles de millones de kil\u00f3metros y con condiciones f\u00edsicas muy diferentes. La se\u00f1al apareci\u00f3 en observaciones realizadas con dos instrumentos distintos del James Webb, lo que llev\u00f3 al equipo a descartar que se tratara de un problema de calibraci\u00f3n u otro tipo de error t\u00e9cnico.<\/p>\n<figure class=\"AssetEmbedWrapper-iJvQnD cOWUYC asset-embed\">\n<div class=\"AssetEmbedAssetContainer-fnduJP iaVSwI asset-embed__asset-container\"><span class=\"SpanWrapper-kFnjvc eKnjjD responsive-asset AssetEmbedResponsiveAsset-gaAbQ hXaxHA asset-embed__responsive-asset\"><picture class=\"ResponsiveImagePicture-jKunQM gjCCFj AssetEmbedResponsiveAsset-gaAbQ hXaxHA asset-embed__responsive-asset responsive-image\"><img decoding=\"async\" alt=\"Plut\u00f3n visto desde la nave espacial New Horizons.\" loading=\"lazy\" class=\"ResponsiveImageContainer-dkeESL cQPiWi responsive-image__image\" srcset=\"https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_120,c_limit\/1349715996 120w, https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_240,c_limit\/1349715996 240w, https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_320,c_limit\/1349715996 320w, https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_640,c_limit\/1349715996 640w, https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_960,c_limit\/1349715996 960w, https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_1280,c_limit\/1349715996 1280w, https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_1600,c_limit\/1349715996 1600w\" sizes=\"100vw\" src=\"https:\/\/media.es.wired.com\/photos\/67a445938dc7892d7df105b4\/master\/w_1600%2Cc_limit\/1349715996\"><\/picture><\/span><\/div>\n<div class=\"CaptionWrapper-bpPcvW kzGGxb caption AssetEmbedCaption-eZIMNW gMgneI asset-embed__caption\" data-testid=\"caption-wrapper\" readability=\"6.5\"><span class=\"BaseText-fEwdHD CaptionText-cQpRdU gZqZYz hbiMYj caption__text\" readability=\"28\"><\/p>\n<p>La mejor fotograf\u00eda que la ciencia tiene sobre Plut\u00f3n, el planeta enano.<\/p>\n<p><\/span><span class=\"BaseText-fEwdHD CaptionCredit-cUgOGk fSrqtv hRFzlA caption__credit\">Heritage Images\/Getty Images<\/span><\/div>\n<\/figure>\n<p>La clave del descubrimiento est\u00e1 en una t\u00e9cnica conocida como espectroscop\u00eda. Cada elemento o mol\u00e9cula interact\u00faa con la luz de una manera \u00fanica, absorbe determinadas longitudes de onda y deja un patr\u00f3n caracter\u00edstico, como una especie de huella. Durante d\u00e9cadas, los cient\u00edficos han construido enormes cat\u00e1logos con esas firmas espectrales para identificar compuestos como agua, metano, di\u00f3xido de carbono o amon\u00edaco en planetas y lunas, as\u00ed como en otros cuerpos fuera del sistema solar.<\/p>\n<p>Pero en este caso, la comparaci\u00f3n no arroj\u00f3 ninguna coincidencia convincente. Adem\u00e1s, a estas alturas, descubrir una firma qu\u00edmica que no pueda asociarse a un compuesto conocido es poco habitual. Por eso, resolver qu\u00e9 ocurre en <a href=\"https:\/\/es.wired.com\/articulos\/titan-no-tiene-un-oceano-subterraneo-sino-un-interior-tipo-frape-de-hielo-y-agua\">Tit\u00e1n<\/a> y Plut\u00f3n podr\u00eda convertirse en la nueva pregunta fundamental para la ciencia planetaria.<\/p>\n<p>Los investigadores ya han exploraron varias posibilidades. Revisaron espectros de laboratorio de hielos y compuestos org\u00e1nicos que podr\u00edan existir en estos mundos, incluidos acetileno, benceno, ceteno y una familia de mol\u00e9culas conocidas como \u201calenos\u201d. Ninguno reproduce exactamente la firma observada. <strong>La explicaci\u00f3n m\u00e1s probable apunta a un compuesto conocido que adopta un estado f\u00edsico o una mezcla nunca estudiados en laboratorio<\/strong>, aunque los autores tampoco descartan que la se\u00f1al provenga de un material cuya qu\u00edmica a\u00fan no ha sido caracterizada.<\/p>\n<p>Que la misma se\u00f1al aparezca en dos sitios tan diferentes hace el enigma todav\u00eda m\u00e1s interesante. Tit\u00e1n posee una atm\u00f3sfera rica en nitr\u00f3geno y metano con una presi\u00f3n superficial de aproximadamente 1.5 bares, superior a la Tierra, r\u00edos y lagos de metano l\u00edquido y una temperatura cercana a los -180 \u00b0C. Plut\u00f3n, en cambio, apenas conserva <a href=\"https:\/\/es.wired.com\/articulos\/pluton-no-es-el-unico-planeta-enano-con-presencia-de-gases-en-el-sistema-solar-exterior\">una tenue atm\u00f3sfera<\/a> de unos 10 microbares, unas 150 000 veces menos densa, tiene una superficie cubierta por hielos de nitr\u00f3geno, metano y mon\u00f3xido de carbono, y alcanza temperaturas cercanas a los -235 \u00b0C.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un \u00faltimo vistazo al planeta enano Plut\u00f3n&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":315110,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_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":[46],"tags":[],"class_list":["post-315109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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