{"id":96310,"date":"2026-08-05T06:50:46","date_gmt":"2026-08-05T07:50:46","guid":{"rendered":"https:\/\/www.verificat.cat\/?p=96310"},"modified":"2026-08-05T06:52:01","modified_gmt":"2026-08-05T07:52:01","slug":"eclipse-radiacion-ondas-radio","status":"publish","type":"post","link":"https:\/\/www.verificat.cat\/es\/eclipse-radiacion-ondas-radio\/","title":{"rendered":"La radiaci\u00f3n no se intensifica durante un eclipse, sino que disminuye y puede afectar a las ondas de radio"},"content":{"rendered":"<figure class=\"wp-block-post-featured-image\"><img decoding=\"async\" width=\"750\" height=\"446\" src=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-7.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Mensaje falso sobre la radiaci\u00f3n m\u00e1s intensa durante el eclipse.\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-7.jpg 750w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-7-300x178.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n<style>html[dir=rtl] .wpml-language-switcher-block .wpml-ls-dropdown ul li.wp-block-navigation-submenu .wp-block-navigation-submenu__toggle img{margin-left:12px}html[dir=rtl] .wpml-language-switcher-block .wpml-ls-dropdown ul li.wp-block-navigation-submenu ul.isHorizontal li{text-align:right}html[dir=rtl] .wpml-language-switcher-block .wpml-ls-dropdown ul li.wp-block-navigation-submenu ul.isHorizontal li a img{margin-left:12px}.wpml-language-switcher-block{display:flex;box-sizing:border-box;width:100% !important}.wpml-language-switcher-block>.wp-block-navigation-item,.wpml-language-switcher-block>.wp-block-navigation-item>div{display:flex;width:100% !important}.wpml-language-switcher-block .wp-block-navigation__container{background:unset !important}.wpml-language-switcher-block .hide-arrow 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.kt-inside-inner-col,.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col{flex-direction:column;}.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column96310_c4ff2d-ce{position:relative;}@media all and (max-width: 1024px){.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column96310_c4ff2d-ce > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column96310_c4ff2d-ce\"><div class=\"kt-inside-inner-col\">\n<h3 class=\"wp-block-heading\">\u00bfQu\u00e9 se ha dicho?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Que, durante el eclipse, la radiaci\u00f3n emitida por el Sol es m\u00e1s intensa de lo habitual.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column96310_92acc1-a1 > .kt-inside-inner-col,.kadence-column96310_92acc1-a1 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column96310_92acc1-a1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column96310_92acc1-a1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column96310_92acc1-a1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column96310_92acc1-a1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column96310_92acc1-a1{position:relative;}@media all and (max-width: 1024px){.kadence-column96310_92acc1-a1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column96310_92acc1-a1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column96310_92acc1-a1\"><div class=\"kt-inside-inner-col\">\n<h3 class=\"wp-block-heading\">\u00bfQu\u00e9 sabemos?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Que en el momento del eclipse, la radiaci\u00f3n disminuye, y en los momentos previos y posteriores se mantiene en niveles normales.<\/p>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Una de las creencias m\u00e1s repetidas sobre el eclipse es que la Tierra quedar\u00e1 expuesta a una radiaci\u00f3n an\u00f3mala, m\u00e1s elevada de lo habitual. Es <strong><a href=\"https:\/\/www.verificat.cat\/es\/nosotros\/metodologia-como-funciona-verificat\/#:~:text=clarificar%20declaraciones%20confusas.-,Falso,-Las%20fuentes%20oficiales\">FALSO<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Como indica la <a href=\"https:\/\/science.nasa.gov\/solar-system\/skywatching\/eclipses\/solar-eclipses\/the-impact-of-solar-eclipses-on-the-structure-and-dynamics-of-earths-upper-atmosphere\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">NASA<\/a>, la radiaci\u00f3n solar que llega a la Tierra no aumenta durante un eclipse, sino que disminuye. Un <a href=\"https:\/\/acp.copernicus.org\/articles\/20\/10477\/2020\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">estudio de 2018<\/a> coordinado por la agencia estadounidense estim\u00f3 que durante un eclipse solar la radiaci\u00f3n en superficie se reduce aproximadamente a la mitad de lo habitual en los lugares donde el eclipse es total.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote red is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u00ab<strong>La radiaci\u00f3n emitida por el Sol puede ser especialmente intensa durante el eclipse<\/strong>\u00ab<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">El origen de esta creencia parece estar en la mezcla de dos ideas diferentes: por un lado, el riesgo de da\u00f1os oculares al <a href=\"https:\/\/www.verificat.cat\/es\/gafas-sol-radiografia-soldar-eclipse\/\">observar el eclipse sin gafas homologadas<\/a>, lo que puede hacer pensar que se debe a una radiaci\u00f3n elevada del Sol. Pero el riesgo de mirarlo a simple vista no se debe a la presencia de una mayor radiaci\u00f3n, sino a que siempre es peligroso mirar directamente al Sol. Adem\u00e1s, durante el eclipse, nuestras pupilas se dilatar\u00e1n para adaptarse a la oscuridad, y la luminosidad repentina instantes despu\u00e9s podr\u00eda da\u00f1ar la vista.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por otro lado, la visibilidad de la corona solar, la capa m\u00e1s externa de la atm\u00f3sfera del Sol, que normalmente queda oculta por el brillo del astro y que durante la totalidad se deja ver, puede dar la impresi\u00f3n de mostrar rayos que antes no estaban. Sin embargo, la corona siempre est\u00e1 ah\u00ed, aunque es <a href=\"https:\/\/sciencemediacentre.es\/recomendaciones-para-observar-el-proximo-eclipse-solar-con-emocion-y-seguridad\" target=\"_blank\" rel=\"noopener\">imposible observarla<\/a> en el d\u00eda a d\u00eda.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"555\" src=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-11.png\" alt=\"\" class=\"wp-image-96312\" srcset=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-11.png 700w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-11-300x238.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><em>Corona solar durante el eclipse de 2017 vista desde Estados Unidos. Fuente: NASA\/Aubrey Gemignani<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">El eclipse puede afectar a las ondas de radio y a las comunicaciones<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La disminuci\u00f3n de la radiaci\u00f3n, sin embargo, puede <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0273117725008403\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">tener efectos en la atm\u00f3sfera terrestre<\/a>, concretamente en la propagaci\u00f3n de las ondas de radio. El cambio en el flujo de rayos provoca cambios r\u00e1pidos y repentinos en la <a href=\"https:\/\/www.termcat.cat\/ca\/cercaterm\/fitxa\/Mzg5NjQzMg%3D%3D\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ionosfera<\/a>, una capa de part\u00edculas cargadas que se encuentra entre 80 y 600 kil\u00f3metros de distancia de la superficie de la Tierra y que todav\u00eda est\u00e1 siendo estudiada por los cient\u00edficos. Esta capa se forma debido a la radiaci\u00f3n electromagn\u00e9tica, principalmente de origen solar, seg\u00fan explica el <a href=\"https:\/\/www.spaceweather.gov\/phenomena\/ionosphere\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Centro de Predicci\u00f3n del Tiempo Espacial de Estados Unidos<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las ondas de radio de alta frecuencia, que son las que utilizan los servicios de radiodifusi\u00f3n y los aviones, son emitidas desde una estaci\u00f3n, reflejadas en la ionosfera y recibidas en la estaci\u00f3n de destino. Los cambios provocados por el eclipse hacen que la capa atmosf\u00e9rica pierda densidad temporalmente, lo que puede modificar la forma en que las ondas de radio se propagan, pudiendo causar el desvanecimiento de las se\u00f1ales, seg\u00fan explica la <a href=\"https:\/\/science.nasa.gov\/solar-system\/skywatching\/eclipses\/solar-eclipses\/the-impact-of-solar-eclipses-on-the-structure-and-dynamics-of-earths-upper-atmosphere\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">NASA<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los cambios en la ionosfera se limitan a la regi\u00f3n desde la que se observa el eclipse, no se producen en todo el mundo, y son temporales; cuando el Sol vuelva a aparecer detr\u00e1s de la Luna y los niveles de radiaci\u00f3n se recuperen, las ondas de radio volver\u00e1n a rebotar con normalidad.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Verificaci\u00f3n elaborada por Ariadna Ma\u00f1\u00e9, Laura Cerc\u00f3s Tuset, Ona Sindreu Cladera, Alba Tobella y Marc Masip.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contrariamente a lo que afirman algunos usuarios, el eclipse no har\u00e1 que el Sol sea m\u00e1s peligroso, sino que los rayos emitidos se reducir\u00e1n a la mitad, lo que no resta importancia a llevar gafas homologadas<\/p>\n","protected":false},"author":48,"featured_media":96309,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[265,111],"tags":[],"class_list":["post-96310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-verificaciones","category-verificaciones","with-featured-image"],"taxonomy_info":{"category":[{"value":265,"label":"Ciencia"},{"value":111,"label":"Verificaciones"}]},"featured_image_src_large":["https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/08\/image-7.jpg",750,446,false],"author_info":{"display_name":"Ari","author_link":"https:\/\/www.verificat.cat\/es\/author\/ari\/"},"comment_info":0,"category_info":[{"term_id":265,"name":"Ciencia","slug":"ciencia-verificaciones","term_group":0,"term_taxonomy_id":265,"taxonomy":"category","description":"","parent":111,"count":307,"filter":"raw","cat_ID":265,"category_count":307,"category_description":"","cat_name":"Ciencia","category_nicename":"ciencia-verificaciones","category_parent":111},{"term_id":111,"name":"Verificaciones","slug":"verificaciones","term_group":0,"term_taxonomy_id":111,"taxonomy":"category","description":"","parent":0,"count":1464,"filter":"raw","cat_ID":111,"category_count":1464,"category_description":"","cat_name":"Verificaciones","category_nicename":"verificaciones","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/96310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/users\/48"}],"replies":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/comments?post=96310"}],"version-history":[{"count":1,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/96310\/revisions"}],"predecessor-version":[{"id":96313,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/96310\/revisions\/96313"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/media\/96309"}],"wp:attachment":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/media?parent=96310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/categories?post=96310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/tags?post=96310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}