{"id":114209,"date":"2026-04-24T14:08:12","date_gmt":"2026-04-24T17:08:12","guid":{"rendered":"https:\/\/ubirataonline.com.br\/sun-unleashes-2-colossal-x-flares-within-7-hours-of-each-other-knocking-out-radio-signals-on-earth\/"},"modified":"2026-04-24T14:08:25","modified_gmt":"2026-04-24T17:08:25","slug":"sun-unleashes-2-colossal-x-flares-within-7-hours-of-each-other-knocking-out-radio-signals-on-earth","status":"publish","type":"post","link":"https:\/\/ubirataonline.com.br\/en\/sun-unleashes-2-colossal-x-flares-within-7-hours-of-each-other-knocking-out-radio-signals-on-earth\/","title":{"rendered":"Sun unleashes 2 colossal X-flares within 7 hours of each other, knocking out radio signals on Earth"},"content":{"rendered":"<p><br \/>\n<\/p>\n<div id=\"article-body\">\n<figure class=\"van-image-figure pull-right inline-layout\" data-bordeaux-image-check=\"\" id=\"elk-56079ea0-77ef-4a3b-89d9-66a5cce4b8bb\">\n<div class=\"image-full-width-wrapper\">\n<div class=\"image-widthsetter\" style=\"max-width:714px;\">\n<p class=\"vanilla-image-block\" style=\"padding-top:59.52%;\"><a href=\"https:\/\/cdn.mos.cms.futurecdn.net\/rphhfbYhDnaw8fenM4CV6k.gif\" target=\"_blank\" class=\"expand-button icon-expand-image icon\" data-url=\"https:\/\/cdn.mos.cms.futurecdn.net\/rphhfbYhDnaw8fenM4CV6k.gif\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/><\/p>\n<\/div>\n<\/div><figcaption itemprop=\"caption description\" class=\"pull-right inline-layout\"><span class=\"caption-text\">The first X-flare peaked at 9:07 p.m. EDT on April 23 (0107 GMT April 24) <\/span><span class=\"credit\" itemprop=\"copyrightHolder\">(Image credit: NOAA GOES-19)<\/span><\/figcaption><\/figure>\n<p id=\"elk-3b615e3a-2e06-43ee-9bcf-ae270734869f\">The sun has certainly woken up! It has fired off not one but two powerful X2.5 solar flares within just 7 hours.<\/p>\n<p class=\"paywall\" aria-hidden=\"true\">Both eruptions came from a sunspot region on the sun&#8217;s western limb, AR4419. The first <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/solar-flares-effects-classification-formation\" data-url=\"https:\/\/www.space.com\/solar-flares-effects-classification-formation\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.space.com\/solar-flares-effects-classification-formation\"><u>solar flare<\/u><\/a> peaked at <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.spaceweatherlive.com\/en\/solar-activity\/solar-flares.html\" target=\"_blank\" data-url=\"https:\/\/www.spaceweatherlive.com\/en\/solar-activity\/solar-flares.html\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\"><u>9:07 p.m.<\/u><\/a> EDT on April 23 (0107 GMT April 24), followed by the second at 4:14 a.m. EDT (0814 GMT) on April 24. These are the strongest solar flares we&#8217;ve seen in 78 days, according to solar physicist <a data-analytics-id=\"inline-link\" href=\"https:\/\/x.com\/RyanJFrench\/status\/2047529265298833792?s=20\" target=\"_blank\" data-url=\"https:\/\/x.com\/RyanJFrench\/status\/2047529265298833792?s=20\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\"><u>Ryan French<\/u><\/a>.<\/p>\n<p><a id=\"elk-seasonal\" class=\"paywall\" aria-hidden=\"true\"\/><\/p>\n<aside data-block-type=\"embed\" data-render-type=\"fte\" data-skip=\"dealsy\" data-widget-type=\"seasonal\" class=\"hawk-root\"\/>\n<p id=\"elk-3b615e3a-2e06-43ee-9bcf-ae270734869f-2\">The bursts of radiation from the flares triggered strong radio blackouts on the sunlit side of Earth \u2014 the first affecting parts of the Pacific Ocean and Australia and the second impacting East Asia.<\/p>\n<aside data-component-name=\"Recirculation:ArticleRiver\" data-recirculation-type=\"inline\" data-mrf-recirculation=\"Trending Bar\" data-nosnippet=\"\" class=\"clear-both pb-0 pt-2 mb-4\">\n        <span class=\"&#10;            flex&#10;            after:content-[''] after:flex-1 after:ml-4 after:my-[0.7rem] after:border-t after:border-solid after:border-t-[#ccc]&#10;            before:content-[''] before:flex-1 before:mr-4 before:my-[0.7rem] before:border-t before:border-solid before:border-t-[#ccc]&#10;            font-article-heading pb-0 !text-base uppercase sm:text-sm font-bold&#10;        \"><br \/>\n            You may like<br \/>\n        <\/span><\/p>\n<\/aside>\n<p id=\"elk-36f4eaae-7747-4e79-9ceb-00f239ba6221\">The active sunspot region is putting on quite the show before it rotates out of view. The X-flares were preceded by a flurry of M-class solar flares on April 23, along with a rare &#8220;<a data-analytics-id=\"inline-link\" href=\"https:\/\/spaceweather.com\/archive.php?view=1&amp;day=24&amp;month=04&amp;year=2026\" target=\"_blank\" data-url=\"https:\/\/spaceweather.com\/archive.php?view=1&amp;day=24&amp;month=04&amp;year=2026\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\"><u>sympathetic flare<\/u><\/a>&#8221; where eruptions occurred in two separate <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/sunspots-formation-discovery-observations\" data-url=\"https:\/\/www.space.com\/sunspots-formation-discovery-observations\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.space.com\/sunspots-formation-discovery-observations\"><u>sunspot<\/u><\/a> regions on opposite sides of <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/58-the-sun-formation-facts-and-characteristics.html\" data-url=\"https:\/\/www.space.com\/58-the-sun-formation-facts-and-characteristics.html\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.space.com\/58-the-sun-formation-facts-and-characteristics.html\"><u>the sun<\/u><\/a>.<\/p>\n<figure class=\"van-image-figure pull-left inline-layout\" data-bordeaux-image-check=\"\" id=\"elk-b8d1ed69-0264-40ec-87a4-b8ecca3f6844\">\n<div class=\"image-full-width-wrapper\">\n<div class=\"image-widthsetter\" style=\"max-width:648px;\">\n<p class=\"vanilla-image-block\" style=\"padding-top:63.73%;\"><img decoding=\"async\" alt=\"fiery solar flare erupts from the upper right of the sun.\" loading=\"lazy\" data-new-v2-image=\"true\" src=\"https:\/\/cdn.mos.cms.futurecdn.net\/nw66N5xYGAaANpjPVRdY3k.gif\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/nw66N5xYGAaANpjPVRdY3k.gif\" class=\"pull-leftinline expandable\"\/><a href=\"https:\/\/cdn.mos.cms.futurecdn.net\/nw66N5xYGAaANpjPVRdY3k.gif\" target=\"_blank\" class=\"expand-button icon-expand-image icon\" data-url=\"https:\/\/cdn.mos.cms.futurecdn.net\/nw66N5xYGAaANpjPVRdY3k.gif\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\"\/><\/p>\n<\/div>\n<\/div><figcaption itemprop=\"caption description\" class=\"pull-left inline-layout\"><span class=\"caption-text\">The second X-flare peaked at 4:14 a.m. EDT (0814 GMT). <\/span><span class=\"credit\" itemprop=\"copyrightHolder\">(Image credit: NOAA GOES-19)<\/span><\/figcaption><\/figure>\n<p id=\"elk-8b8f133a-4ad4-439d-afce-e423c6c769a9\">The X-flares appear to have been accompanied by coronal mass ejections (<a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/coronal-mass-ejections-cme\" data-url=\"https:\/\/www.space.com\/coronal-mass-ejections-cme\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.space.com\/coronal-mass-ejections-cme\"><u>CMEs<\/u><\/a>) \u2014 large expulsions of plasma and magnetic field from the sun. However, because the sunspot is positioned on the sun&#8217;s western edge, it&#8217;s unlikely these CMEs are heading directly toward <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.space.com\/54-earth-history-composition-and-atmosphere.html\" data-url=\"https:\/\/www.space.com\/54-earth-history-composition-and-atmosphere.html\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.space.com\/54-earth-history-composition-and-atmosphere.html\"><u>Earth<\/u><\/a>. That said, forecasters are still modelling their paths and a glancing blow remains possible. If that happens, it could trigger geomagnetic storm conditions and spark vivid aurora displays.<\/p>\n<p><a id=\"elk-91134683-28b5-4d77-8668-28735eb7e3bb\" class=\"paywall\" aria-hidden=\"true\"\/><\/p>\n<h2 id=\"what-are-solar-flares-3\">What are solar flares? <\/h2>\n<p id=\"elk-80834779-d1f3-4c46-bc12-d22f5ad689df\">Solar flares are powerful explosions from the sun that release intense bursts of <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.swpc.noaa.gov\/phenomena\/solar-flares-radio-blackouts\" target=\"_blank\" data-url=\"https:\/\/www.swpc.noaa.gov\/phenomena\/solar-flares-radio-blackouts\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\"><u>electromagnetic radiation at the speed of light<\/u><\/a>, including X-rays and ultraviolet light.<\/p>\n<p>They are classified by strength into five categories, A, B, C, M, and X, each letter representing a 10-fold increase in intensity, with X-flares being the most powerful.<\/p>\n<p><a id=\"elk-0a8737e3-4bc4-495e-9e1a-33c06934c0df\" class=\"paywall\" aria-hidden=\"true\"\/><\/p>\n<h2 id=\"how-do-they-cause-radio-blackouts-3\">How do they cause radio blackouts? <\/h2>\n<div id=\"slice-container-imageGallery-h9wWwbrgSGNyPfpCMYKf76-kmQpjo9ZbvYJ9MA1T9SyZBTXyoJezrpG\" class=\"slice-container imageGallery-wrapper imageGallery-h9wWwbrgSGNyPfpCMYKf76-kmQpjo9ZbvYJ9MA1T9SyZBTXyoJezrpG slice-container-imageGallery\">\n<div data-hydrate=\"true\" class=\"inline-gallery first-slide-only\">\n<p>Image <!-- -->1<!-- --> of <!-- -->2<\/p>\n<div style=\"overflow-x:hidden\" class=\"inline-gallery__items\">\n<div style=\"-webkit-flex-direction:row;flex-direction:row;-webkit-transition:all 0s ease 0s;transition:all 0s ease 0s;-webkit-transform:translate(0%, 0);transform:translate(0%, 0);direction:ltr;display:flex;will-change:transform\" class=\"react-swipeable-view-container\">\n<div style=\"width:100%;-webkit-flex-shrink:0;flex-shrink:0;overflow:auto\" aria-hidden=\"false\" data-swipeable=\"true\">\n<div class=\"items__item\">\n<div class=\"item__image-cont\">\n<div class=\"image-cont__image\">\n<figure class=\"image-wrapped__wrapper\" data-bordeaux-image-check=\"false\">\n<div class=\"image-wrapped__widthsetter\" style=\"max-width:850px\">\n<div class=\"image-wrapped__aspect-padding\" style=\"padding-bottom:55.88235294117647%\">\n<div style=\"display:contents\"><picture data-hydrate=\"true\"><source class=\"image-wrapped__image image__image\" type=\"image\/webp\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-320-80.png.webp 320w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-480-80.png.webp 480w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-650-80.png.webp 650w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-970-80.png.webp 970w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-1024-80.png.webp 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-1200-80.png.webp 1200w\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" data-normal=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-original-mos=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-pin-nopin=\"true\" data-slice-image=\"true\"\/><source class=\"image-wrapped__image image__image\" type=\"image\/png\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-320-80.png 320w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-480-80.png 480w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-650-80.png 650w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-970-80.png 970w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-1024-80.png 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-1200-80.png 1200w\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" data-normal=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-original-mos=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-pin-nopin=\"true\" data-slice-image=\"true\"\/><img decoding=\"async\" alt=\"map showing the concentrated radio blackout across the South Pacific and Australia\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-320-80.png 320w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-480-80.png 480w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-650-80.png 650w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-970-80.png 970w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-1024-80.png 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT-1200-80.png 1200w\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" class=\"image-wrapped__image image__image\" loading=\"lazy\" data-normal=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" src=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/erMmLbsbZ7G7ChVoTmAHmT.png\" data-pin-nopin=\"true\" data-slice-image=\"true\"\/><\/picture><\/div>\n<\/div>\n<\/div><figcaption class=\"caption-credit__figcaption\"><span class=\"caption-credit__caption\">High-frequency radio blackouts from the first X-flare.<\/span><span class=\"caption-credit__credit\" itemprop=\"copyrightHolder\">(Image credit: NOAA Space Weather Prediction Center)<\/span><\/figcaption><\/figure>\n<\/div>\n<p><button class=\"image-cont__expand\" data-testid=\"expandButton\" data-analytics-id=\"gallery-expand-image\" data-mrf-recirculation=\"gallery-expand-image\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"32\" viewbox=\"0 0 32 32\"><path d=\"M31.557 12.067L31.773 0 19.791.213l.05 3.216 6.225-.115-7.347 7.39 2.422 2.434 7.34-7.382-.108 6.213 3.184.098zM.215 19.903L0 31.97l11.984-.213-.05-3.217-6.225.113 7.348-7.388-2.42-2.436-7.34 7.383L3.402 20l-3.187-.098zM20.004 31.704L32 32.001l-.293-12.059-3.195.03.154 6.263-7.396-7.44-2.407 2.42 7.389 7.43-6.174-.148-.074 3.207zM12.213.33L.22.034l.293 12.059 3.195-.032-.152-6.26 7.394 7.438 2.404-2.418L5.967 3.39l6.174.15.072-3.209z\"\/><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<div style=\"width:100%;-webkit-flex-shrink:0;flex-shrink:0;overflow:auto\" aria-hidden=\"true\" data-swipeable=\"true\">\n<div class=\"items__item\">\n<div class=\"item__image-cont\">\n<div class=\"image-cont__image\">\n<figure class=\"image-wrapped__wrapper\" data-bordeaux-image-check=\"false\">\n<div class=\"image-wrapped__widthsetter\" style=\"max-width:850px\">\n<div class=\"image-wrapped__aspect-padding\" style=\"padding-bottom:55.88235294117647%\">\n<div style=\"display:contents\"><picture data-hydrate=\"true\"><source class=\"image-wrapped__image image__image\" type=\"image\/webp\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-320-80.png.webp 320w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-480-80.png.webp 480w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-650-80.png.webp 650w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-970-80.png.webp 970w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-1024-80.png.webp 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-1200-80.png.webp 1200w\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" data-normal=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-original-mos=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-pin-nopin=\"true\" data-slice-image=\"true\"\/><source class=\"image-wrapped__image image__image\" type=\"image\/png\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-320-80.png 320w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-480-80.png 480w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-650-80.png 650w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-970-80.png 970w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-1024-80.png 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-1200-80.png 1200w\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" data-normal=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-original-mos=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-pin-nopin=\"true\" data-slice-image=\"true\"\/><img decoding=\"async\" alt=\"map showing radio blackout concentrated over East Asia\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-320-80.png 320w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-480-80.png 480w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-650-80.png 650w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-970-80.png 970w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-1024-80.png 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT-1200-80.png 1200w\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" class=\"image-wrapped__image image__image\" loading=\"lazy\" data-normal=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" src=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/xzBEBWtXR3UgFwYDJa7CnT.png\" data-pin-nopin=\"true\" data-slice-image=\"true\"\/><\/picture><\/div>\n<\/div>\n<\/div><figcaption class=\"caption-credit__figcaption\"><span class=\"caption-credit__caption\">High-frequency radio blackouts from the second X-flare.<\/span><span class=\"caption-credit__credit\" itemprop=\"copyrightHolder\">(Image credit: NOAA Space Weather Prediction Center)<\/span><\/figcaption><\/figure>\n<\/div>\n<p><button class=\"image-cont__expand\" data-testid=\"expandButton\" data-analytics-id=\"gallery-expand-image\" data-mrf-recirculation=\"gallery-expand-image\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"32\" viewbox=\"0 0 32 32\"><path d=\"M31.557 12.067L31.773 0 19.791.213l.05 3.216 6.225-.115-7.347 7.39 2.422 2.434 7.34-7.382-.108 6.213 3.184.098zM.215 19.903L0 31.97l11.984-.213-.05-3.217-6.225.113 7.348-7.388-2.42-2.436-7.34 7.383L3.402 20l-3.187-.098zM20.004 31.704L32 32.001l-.293-12.059-3.195.03.154 6.263-7.396-7.44-2.407 2.42 7.389 7.43-6.174-.148-.074 3.207zM12.213.33L.22.034l.293 12.059 3.195-.032-.152-6.26 7.394 7.438 2.404-2.418L5.967 3.39l6.174.15.072-3.209z\"\/><\/svg><\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p id=\"elk-2047b6e1-d3fb-4bea-8fca-b8a67eaea761\">When radiation from a solar flare reaches Earth, it ionizes the upper atmosphere known as the ionosphere, which can disrupt shortwave radio communications.<\/p>\n<p>Under normal conditions, high-frequency radio waves can travel long distances by bouncing off the upper layers in the ionosphere. But during a strong solar flare, the lower layers become much more ionized than usual.<\/p>\n<p>This creates a denser environment where radio waves are more likely to collide with charged particles and lose energy. As a result, signals can weaken, become distorted or be completely absorbed, leading to shortwave radio blackouts <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.swpc.noaa.gov\/phenomena\/solar-flares-radio-blackouts\" target=\"_blank\" data-url=\"https:\/\/www.swpc.noaa.gov\/phenomena\/solar-flares-radio-blackouts\" referrerpolicy=\"no-referrer-when-downgrade\" data-hl-processed=\"none\" data-mrf-recirculation=\"inline-link\"><u>according to NOAA<\/u><\/a>.<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/www.space.com\/astronomy\/sun\/sun-unleashes-2-colossal-x-flares-within-7-hours-of-each-other-knocking-out-radio-signals-on-earth\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The first X-flare peaked at 9:07 p.m. EDT on April 23 (0107 GMT April 24) (Image credit: NOAA GOES-19) The sun has certainly woken up! It has fired off not one but two powerful X2.5 solar flares within just 7 hours. Both eruptions came from a sunspot region on the sun&#8217;s western limb, AR4419. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":114210,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAow2JLhCw:productID":"","_gspb_post_css":"","maa_idioma":"","maa_pais":"","footnotes":""},"categories":[1],"tags":[5657,10022,7426,30799,3932,16300,15133,30797,30798],"class_list":["post-114209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ubirata","tag-colossal","tag-earth","tag-hours","tag-knocking","tag-radio","tag-signals","tag-sun","tag-unleashes","tag-xflares"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sun unleashes 2 colossal X-flares within 7 hours of each other, knocking out radio signals on Earth - Ubirat\u00e3 Online Not\u00edcias - A realidade ao seu alcance!<\/title>\n<meta name=\"description\" content=\"The first X-flare peaked at 9:07 p.m. EDT on April 23 (0107 GMT April 24) (Image credit: NOAA GOES-19)The sun has certainly woken up! 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