{"id":4833,"date":"2026-10-21T17:58:36","date_gmt":"2026-10-21T21:58:36","guid":{"rendered":"https:\/\/canasanta.ca\/?p=4833"},"modified":"2026-10-21T22:54:26","modified_gmt":"2026-10-22T02:54:26","slug":"esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/ciencia\/cosmos\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\/","title":{"rendered":"Esta noche, fragmentos del cometa Halley cruzar\u00e1n el cielo"},"content":{"rendered":"

El cielo de esta noche tendr\u00e1 una cita con uno de los viajeros m\u00e1s famosos del Sistema Solar. La lluvia de meteoros Ori\u00f3nidas alcanzar\u00e1 su m\u00e1ximo entre la noche del 21 y la madrugada del 22 de octubre, cuando la Tierra atraviese una corriente de polvo dejada por el cometa Halley.<\/p>\n

Polvo de Halley a toda velocidad<\/strong><\/h2>\n

Las Ori\u00f3nidas se producen cada a\u00f1o cuando nuestro planeta cruza los restos que Halley fue dejando a lo largo de sus sucesivos pasos alrededor del Sol. Aunque el cometa se encuentra ahora mucho m\u00e1s all\u00e1 de la \u00f3rbita de Neptuno y no regresar\u00e1 al interior del Sistema Solar hasta 2061, su rastro contin\u00faa encontr\u00e1ndose con la Tierra.<\/p>\n

Los peque\u00f1os fragmentos penetran en la atm\u00f3sfera a velocidades cercanas a los 66 kil\u00f3metros por segundo. La fricci\u00f3n los calienta hasta hacerlos brillar y crea las r\u00e1pidas l\u00edneas luminosas que popularmente llamamos estrellas fugaces.<\/p>\n

Hasta veinte meteoros por hora<\/strong><\/h2>\n

En condiciones ideales, lejos de las luces urbanas, la lluvia puede producir alrededor de veinte meteoros por hora. Las Ori\u00f3nidas son especialmente conocidas por su velocidad, por sus trazos brillantes y por dejar ocasionalmente estelas luminosas que permanecen visibles durante algunos segundos.<\/p>\n

Este a\u00f1o la Luna creciente, iluminada en torno al 71 %, dificultar\u00e1 la observaci\u00f3n durante parte de la noche. La situaci\u00f3n mejorar\u00e1 despu\u00e9s de que la Luna descienda y, especialmente, durante las horas previas al amanecer, cuando Ori\u00f3n se encuentre m\u00e1s alto en el cielo.<\/p>\n

No hace falta telescopio<\/strong><\/h2>\n

Para observarlas no se necesita ning\u00fan instrumento. La mejor estrategia es buscar un lugar oscuro, alejado de farolas y edificios, permitir que los ojos se adapten a la oscuridad durante unos veinte minutos y mirar una zona amplia del firmamento. Aunque los meteoros parecen surgir cerca de la constelaci\u00f3n de Ori\u00f3n, pueden aparecer en cualquier parte del cielo.<\/p>\n

Halley fue visto por \u00faltima vez desde la Tierra en 1986. Cada octubre, sin embargo, una parte diminuta de su historia vuelve a encenderse sobre nuestras cabezas. Esta noche no veremos al cometa, pero s\u00ed veremos caer algunos de los fragmentos que dej\u00f3 detr\u00e1s.<\/p>","protected":false},"excerpt":{"rendered":"

La lluvia de meteoros Ori\u00f3nidas alcanza su m\u00e1ximo esta noche. Los fragmentos dejados por el cometa Halley pueden producir hasta veinte meteoros por hora.<\/p>","protected":false},"author":284226809,"featured_media":4834,"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":[33205574,33207370,33207371,33207369],"class_list":["post-4833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-cosmos","tag-astronomia","tag-cometa-halley","tag-lluvia-de-meteoros","tag-orionidas"],"acf":{"introduccion":"","fuentes_y_referencias":"

Live Science<\/strong> \u2014 \u201cSee pieces of Halley\u2019s Comet fall to Earth this week as the Orionid meteor shower peaks\u201d. Publicado el 20 de octubre de 2026.<\/p>

Consulta:<\/strong> 21 de octubre de 2026. Datos de observaci\u00f3n, velocidad de los meteoros, iluminaci\u00f3n lunar y origen de las Ori\u00f3nidas contrastados con la informaci\u00f3n astron\u00f3mica de la publicaci\u00f3n.<\/p>","autor":"a:1:{i:0;s:3:\"748\";}"},"yoast_head":"\nEsta noche, fragmentos del cometa Halley cruzar\u00e1n el cielo - Ca\u00f1asanta<\/title>\n<meta name=\"description\" content=\"Las Ori\u00f3nidas alcanzan su m\u00e1ximo esta noche: restos del cometa Halley cruzar\u00e1n la atm\u00f3sfera y podr\u00e1n verse hasta veinte meteoros por hora.\" \/>\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\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Esta noche, fragmentos del cometa Halley cruzar\u00e1n el cielo\" \/>\n<meta property=\"og:description\" content=\"Las Ori\u00f3nidas alcanzan su m\u00e1ximo esta noche: restos del cometa Halley cruzar\u00e1n la atm\u00f3sfera y podr\u00e1n verse hasta veinte meteoros por hora.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/canasanta.ca\/en\/science\/cosmos\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\/\" \/>\n<meta property=\"og:site_name\" content=\"Ca\u00f1asanta\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-21T21:58:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-22T02:54:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/10\/Orionidas-%E2%80%94-lluvia-de-meteoros-de-octubre.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\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/\"},\"author\":{\"name\":\"Ca\u00f1asanta\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/#\\\/schema\\\/person\\\/21421a3c6f1733be6c5c590190fd8e93\"},\"headline\":\"Esta noche, fragmentos del cometa Halley cruzar\u00e1n el cielo\",\"datePublished\":\"2026-10-21T21:58:36+00:00\",\"dateModified\":\"2026-10-22T02:54:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/\"},\"wordCount\":374,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/canasanta.ca\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Orionidas-%E2%80%94-lluvia-de-meteoros-de-octubre.jpg?fit=1080%2C720&quality=82&strip=all&ssl=1\",\"keywords\":[\"astronom\u00eda\",\"cometa Halley\",\"lluvia de meteoros\",\"Ori\u00f3nidas\"],\"articleSection\":[\"AL D\u00cdA!\",\"Cosmos\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/\",\"url\":\"https:\\\/\\\/canasanta.ca\\\/ciencia\\\/cosmos\\\/esta-noche-fragmentos-del-cometa-halley-cruzaran-el-cielo\\\/\",\"name\":\"Esta noche, fragmentos del cometa Halley cruzar\u00e1n el cielo - 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Las \u00faltimas investigaciones sugieren que podr\u00eda ser incluso m\u00e1s antiguo que el Sol.","rel":"","context":"In "Ciencia"","block_context":{"text":"Ciencia","link":"https:\/\/canasanta.ca\/en\/category\/ciencia\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/3I_ATLAS_0001.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\/11\/3I_ATLAS_0001.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/3I_ATLAS_0001.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\/11\/3I_ATLAS_0001.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/3I_ATLAS_0001.jpg?fit=1200%2C675&quality=82&strip=all&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":6784,"url":"https:\/\/canasanta.ca\/en\/ciencia\/cosmos\/swift-podria-caer-a-la-tierra-esta-noche\/","url_meta":{"origin":4833,"position":5},"title":"SWIFT PODR\u00cdA CAER A LA TIERRA ESTA NOCHE","author":"Ca\u00f1asanta","date":"November 3, 2026","format":false,"excerpt":"\u00a0 El observatorio espacial Neil Gehrels Swift, de aproximadamente 1.450 kilogramos, se aproxima a una reentrada atmosf\u00e9rica que podr\u00eda producirse esta noche. La previsi\u00f3n difundida por NASA sit\u00faa el regreso alrededor de las 3:30 de la madrugada del mi\u00e9rcoles 4 de noviembre, hora de Ottawa y Toronto, aunque mantiene un\u2026","rel":"","context":"In "AL D\u00cdA!"","block_context":{"text":"AL D\u00cdA!","link":"https:\/\/canasanta.ca\/en\/category\/al-dia\/"},"img":{"alt_text":"Recreaci\u00f3n mediante inteligencia artificial del observatorio Swift sobre la Tierra.","src":"https:\/\/i0.wp.com\/canasanta.ca\/wp-content\/uploads\/2026\/11\/Swift-portada-1200x630-1.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\/Swift-portada-1200x630-1.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\/Swift-portada-1200x630-1.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\/Swift-portada-1200x630-1.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\/Swift-portada-1200x630-1.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\/10\/Orionidas-%E2%80%94-lluvia-de-meteoros-de-octubre.jpg?fit=1080%2C720&quality=82&strip=all&ssl=1","_links":{"self":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/4833","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=4833"}],"version-history":[{"count":4,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/4833\/revisions"}],"predecessor-version":[{"id":4891,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/posts\/4833\/revisions\/4891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/media\/4834"}],"wp:attachment":[{"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/media?parent=4833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/categories?post=4833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/canasanta.ca\/en\/wp-json\/wp\/v2\/tags?post=4833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}