{"id":96924,"date":"2025-04-01T03:55:48","date_gmt":"2025-04-01T09:55:48","guid":{"rendered":"https:\/\/losperiodistas.com.mx\/portal\/?p=96924"},"modified":"2025-04-01T03:55:50","modified_gmt":"2025-04-01T09:55:50","slug":"el-james-webb-observa-por-primera-vez-al-temido-asteroide-2024-yr4-esto-es-lo-que-ha-descubierto-el-confidencial","status":"publish","type":"post","link":"https:\/\/losperiodistas.com.mx\/portal\/el-james-webb-observa-por-primera-vez-al-temido-asteroide-2024-yr4-esto-es-lo-que-ha-descubierto-el-confidencial\/","title":{"rendered":"El James Webb observa por primera vez al temido asteroide 2024 YR4: esto es lo que ha descubierto | El Confidencial"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">La Agencia Espacial Europea ha dedicado un tiempo de observaci\u00f3n asignado para estudiar m\u00e1s detalladamente el asteroide. Ha hecho algunos descubrimientos muy interesantes<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2025\/04\/f.elconfidencial.com_original_c87_57f_9d6_c8757f9d6d1e6d30afbde5646af07269-1024x768.jpg\" alt=\"\" class=\"wp-image-96925\" srcset=\"https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2025\/04\/f.elconfidencial.com_original_c87_57f_9d6_c8757f9d6d1e6d30afbde5646af07269-1024x768.jpg 1024w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2025\/04\/f.elconfidencial.com_original_c87_57f_9d6_c8757f9d6d1e6d30afbde5646af07269-300x225.jpg 300w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2025\/04\/f.elconfidencial.com_original_c87_57f_9d6_c8757f9d6d1e6d30afbde5646af07269-768x576.jpg 768w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2025\/04\/f.elconfidencial.com_original_c87_57f_9d6_c8757f9d6d1e6d30afbde5646af07269.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Dentro del c\u00edrculo verde, el asteroide 2024 YR4 (X\/@NASA_es)<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color has-medium-font-size wp-elements-e2275b79220165057b62b73d8ba8ada0\"><strong>Por R. Badillo \/ El Confidencial<\/strong><\/p>\n\n\n\n<p>El telescopio James Webb&nbsp;<strong>ha observado por primera vez al asteroide 2024 YR4<\/strong>, un cuerpo celeste cuya \u00f3rbita inquiet\u00f3 a los astr\u00f3nomos desde su descubrimiento. Aunque lleg\u00f3 a considerarse una amenaza para la Tierra,&nbsp;<a href=\"https:\/\/blogs.nasa.gov\/planetarydefense\/\" target=\"_blank\" rel=\"noreferrer noopener\">los nuevos datos han descartado esa posibilidad<\/a>. El an\u00e1lisis se llev\u00f3 a cabo mediante un tiempo de observaci\u00f3n de emergencia asignado por la&nbsp;<a href=\"https:\/\/blogs.esa.int\/rocketscience\/2025\/02\/10\/james-webb-space-telescope-will-study-asteroid-2024-yr4\/\" target=\"_blank\" rel=\"noreferrer noopener\">Agencia Espacial Europea<\/a>&nbsp;a una misi\u00f3n cient\u00edfica internacional.<\/p>\n\n\n\n<p>Los sensores infrarrojos del telescopio han revelado detalles in\u00e9ditos sobre el tama\u00f1o, la composici\u00f3n y el comportamiento t\u00e9rmico de este objeto cercano.&nbsp;<strong>Durante las cinco horas de observaci\u00f3n<\/strong>, los investigadores midieron la rotaci\u00f3n completa del asteroide, que se produce cada veinte minutos. Estos datos, combinados con la posici\u00f3n relativa respecto al Sol y al propio&nbsp;<a href=\"https:\/\/www.elconfidencial.com\/tecnologia\/novaceno\/2024-01-17\/james-webb-puede-haber-encontrado-planeta-con-vida_3812768\/\">James Webb<\/a>, han permitido calcular un di\u00e1metro aproximado de 60 metros.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"500\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Earth is no longer at risk from asteroid 2024 YR4, but new observations from the James Webb Space Telescope confirm it may yet hit the moon in 2032 &#8211; and astronomers cannot wait to see it happen. <a href=\"https:\/\/t.co\/1ie9hlkfis\">https:\/\/t.co\/1ie9hlkfis<\/a><\/p>&mdash; New Scientist (@newscientist) <a href=\"https:\/\/twitter.com\/newscientist\/status\/1905647281677754501?ref_src=twsrc%5Etfw\">March 28, 2025<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>Los resultados muestran que el asteroide es ligeramente&nbsp;<strong>m\u00e1s grande de lo que indicaban los telescopios terrestres<\/strong>. Adem\u00e1s, su baja temperatura sugiere que su superficie es menos reflectante y, posiblemente, compuesta por un material m\u00e1s rocoso y denso de lo esperado.<\/p>\n\n\n\n<p>En las primeras estimaciones, algunos modelos&nbsp;<a href=\"https:\/\/www.elconfidencial.com\/tecnologia\/ciencia\/2025-02-19\/posibilidad-impacto-2024-yr4-vuelve-crecer-1qrt_4068444\/\">llegaron a atribuirle una probabilidad de colisi\u00f3n del 3,1%<\/a>&nbsp;contra la Tierra el 22 de diciembre de 2032. Sin embargo,&nbsp;<strong>los \u00faltimos c\u00e1lculos han reducido ese riesgo<\/strong>&nbsp;a pr\u00e1cticamente el 0%, lo que permite descartar por completo un impacto contra nuestro planeta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La Luna sigue siendo un posible objetivo<\/h2>\n\n\n\n<p>Pese a que la amenaza terrestre ha desaparecido,&nbsp;<strong>la posibilidad de que el 2024 YR4 impacte contra la Luna sigue presente<\/strong>. La probabilidad se mantiene en torno al 2%, una cifra suficiente como para que los astr\u00f3nomos sigan de cerca su trayectoria.<\/p>\n\n\n\n<p>Una colisi\u00f3n controlada de este tipo permitir\u00eda, por primera vez, observar<strong>&nbsp;c\u00f3mo se forma un cr\u00e1ter lunar&nbsp;<\/strong>a partir de un objeto con masa, velocidad y direcci\u00f3n conocidas. \u201cHemos cruzado los dedos para que se produzca un impacto en la Luna\u201d, afirm\u00f3&nbsp;<a href=\"https:\/\/alanfitzsimmons.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Alan Fitzsimmons<\/a>, profesor de la Universidad de Belfast,&nbsp;<a href=\"https:\/\/www.newscientist.com\/article\/2474150-asteroid-2024-yr4-could-still-hit-the-moon-jwst-observations-reveal\/\" target=\"_blank\" rel=\"noreferrer noopener\">a la revista&nbsp;<em>New Scientist<\/em><\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/images.ecestaticos.com\/9NhUx_0g5vxrr1R7tgImi-6_fSU=\/0x0:2028x1314\/1200x900\/filters:fill(white):format(jpg)\/f.elconfidencial.com%2Foriginal%2Fb14%2F157%2F8d6%2Fb141578d66088dc6f304a0b01af68599.jpg\" alt=\"Foto: Simulaci\u00f3n de un asteroide impactando contra la Luna (Generada con IA)\"\/><\/figure>\n\n\n\n<p>TE PUEDE INTERESAR<a href=\"https:\/\/www.elconfidencial.com\/tecnologia\/ciencia\/2025-02-13\/cientificos-asteroide-2024-yr4-luna-1qrt_4064030\/\">Estos cient\u00edficos creen que el 2024 YR4 podr\u00eda impactar en la Luna. Y predicen qu\u00e9 ocurrir\u00eda<\/a><\/p>\n\n\n\n<p>R. Badillo<\/p>\n\n\n\n<p>Est\u00e1 previsto que el James Webb lleve a cabo una&nbsp;<strong>nueva observaci\u00f3n del asteroide en mayo de 2025<\/strong>, antes de que este desaparezca durante a\u00f1os hacia las&nbsp;<a href=\"https:\/\/www.elconfidencial.com\/tecnologia\/novaceno\/2025-02-24\/estructura-espiral-sistema-solar_4071910\/\">regiones exteriores del sistema solar<\/a>. Esta segunda campa\u00f1a permitir\u00e1 afinar su trayectoria y confirmar si el riesgo lunar se mantiene.<\/p>\n\n\n\n<p>\u201cMientras que el impacto contra la Tierra ha sido descartado,&nbsp;<strong>la probabilidad de colisi\u00f3n con la Luna sigue siendo real<\/strong>\u201d, escriben los autores del informe preliminar, a\u00fan pendiente de revisi\u00f3n definitiva. Si se confirma, el evento podr\u00eda marcar un hito en la investigaci\u00f3n de impactos astron\u00f3micos controlados.<\/p>\n\n\n\n<p>Fuente: <a href=\"https:\/\/www.elconfidencial.com\/tecnologia\/ciencia\/2025-04-01\/james-webb-averiguaciones-2024-yr4-1qrt_4099052\/\">https:\/\/www.elconfidencial.com\/tecnologia\/ciencia\/2025-04-01\/james-webb-averiguaciones-2024-yr4-1qrt_4099052\/<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La Agencia Espacial Europea ha dedicado un tiempo de observaci\u00f3n asignado para estudiar m\u00e1s detalladamente el asteroide. Ha hecho algunos [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":96925,"comment_status":"open","ping_status":"open","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":"","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":[8],"tags":[37039,37040,37038],"class_list":["post-96924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-asteroide-2024-yr4","tag-asteroide-no-amenaza-a-la-tierra","tag-telescopia-uames-webb"],"_links":{"self":[{"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/posts\/96924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/comments?post=96924"}],"version-history":[{"count":1,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/posts\/96924\/revisions"}],"predecessor-version":[{"id":96926,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/posts\/96924\/revisions\/96926"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/media\/96925"}],"wp:attachment":[{"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/media?parent=96924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/categories?post=96924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/losperiodistas.com.mx\/portal\/wp-json\/wp\/v2\/tags?post=96924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}