{"id":3599,"date":"2025-09-11T16:52:25","date_gmt":"2025-09-11T19:52:25","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=3599"},"modified":"2025-09-11T16:52:29","modified_gmt":"2025-09-11T19:52:29","slug":"buraco-em-forma-de-borboleta-23-vezes-maior-que-a-terra-se-abre-no-sol","status":"publish","type":"post","link":"https:\/\/www.portalam9.com.br\/?p=3599","title":{"rendered":"Buraco em forma de borboleta 23 vezes maior que a Terra se abre no Sol"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Um buraco foi aberto no Sol e est\u00e1 lan\u00e7ando uma corrente de vento solar em dire\u00e7\u00e3o \u00e0\u00a0Terra. Com formato de borboleta, ele se estende por cerca de 300 mil km, espa\u00e7o suficiente para acomodar mais de 23 planetas como o nosso enfileirados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O fen\u00f4meno foi registrado pelo Observat\u00f3rio de Din\u00e2mica Solar (SDO), da\u00a0NASA, entre segunda (8) e quinta-feira (11).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.odcdn.com.br\/wp-content\/uploads\/2025\/09\/buraco-coronal-borboleta.webp\" alt=\"\" class=\"wp-image-1181862\"\/><figcaption class=\"wp-element-caption\">Buraco coronal com formato de borboleta registrado por observat\u00f3rio solar da NASA entre 8 e 11 de setembro. Cr\u00e9dito: NASA\/SDO<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Aberturas desse tipo na atmosfera solar s\u00e3o chamadas de \u201cburacos coronais\u201d, regi\u00f5es onde os campos magn\u00e9ticos se abrem e permitem que o vento solar escape. Eles aparecem escuros nas imagens devido \u00e0 aus\u00eancia do plasma quente normalmente contido ali.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De acordo com a plataforma de meteorologia e climatologia espacial\u00a0<em>Spaceweather.com<\/em>, o material ejetado pela \u201cborboleta gigante\u201d deve atingir a Terra no domingo (14), podendo provocar tempestades geomagn\u00e9ticas de classe G1 a G2, respectivamente consideradas fraca e moderada, em uma\u00a0escala\u00a0que vai at\u00e9 G5. Especialistas alertam que essas tempestades s\u00e3o mais comuns nas semanas pr\u00f3ximas aos equin\u00f3cios.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.odcdn.com.br\/wp-content\/uploads\/2025\/09\/buraco-borboleta-no-sol.jpg\" alt=\"\" class=\"wp-image-1181864\"\/><figcaption class=\"wp-element-caption\">O buraco coronal em formato de borboleta ejetou vento solar em dire\u00e7\u00e3o \u00e0 Terra nesta quinta-feira (11). Cr\u00e9dito: NASA\/SDO<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-por-que-os-equinocios-intensificam-as-tempestades-geomagneticas\"><strong>Por que os equin\u00f3cios intensificam as tempestades geomagn\u00e9ticas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Equin\u00f3cios ocorrem duas vezes por ano, em mar\u00e7o e em setembro, quando dia e noite t\u00eam quase 12 horas cada. Nessas ocasi\u00f5es, o eixo da Terra se alinha com sua \u00f3rbita ao redor do Sol, facilitando o contato entre os campos magn\u00e9ticos do planeta e do astro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esse alinhamento intensifica o chamado \u201cefeito Russell-McPherron\u201d, descoberto em 1973, que explica o aumento de tempestades geomagn\u00e9ticas nos equin\u00f3cios. Dados hist\u00f3ricos mostram que, entre 1932 e 2014, essas tempestades aconteceram duas vezes mais nessa \u00e9poca do que nos per\u00edodos pr\u00f3ximos aos solst\u00edcios (junho e dezembro). Em 2025, o equin\u00f3cio de setembro ser\u00e1 no dia 22.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dependendo da intensidade, as tempestades geomagn\u00e9ticas podem afetar sistemas de comunica\u00e7\u00e3o, redes el\u00e9tricas e sat\u00e9lites. Quando elas s\u00e3o extremamente fortes, podem at\u00e9 causar apag\u00f5es e arrastos de equipamentos em \u00f3rbita. No entanto, elas tamb\u00e9m t\u00eam efeitos visuais impressionantes \u2013 as&nbsp; luzes coloridas no c\u00e9u conhecidas como auroras boreais (no norte) e austrais (no sul).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.odcdn.com.br\/wp-content\/uploads\/2025\/03\/Design-sem-nome-11-1024x488.jpg\" alt=\"Aurora Boreal\" class=\"wp-image-1067395\"\/><figcaption class=\"wp-element-caption\">Mar\u00e7o e setembro s\u00e3o os meses de maior ocorr\u00eancia de auroras devido ao equin\u00f3cio. Cr\u00e9dito: Makayla Donkin \u2013 Shutterstock<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Fonte: Olhar Digital <strong>\/ <\/strong>Foto: NASA\/SDO<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um buraco foi aberto no Sol e est\u00e1 lan\u00e7ando uma corrente de vento solar em<\/p>\n","protected":false},"author":3,"featured_media":3600,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosidades-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Buraco em forma de borboleta 23 vezes maior que a Terra se abre no Sol - Portal Amazonas 9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/portalam9.com.br\/?p=3599\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Buraco em forma de borboleta 23 vezes maior que a Terra se abre no Sol - 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