{"id":32527,"date":"2022-01-13T17:32:00","date_gmt":"2022-01-13T20:32:00","guid":{"rendered":"https:\/\/blogopara.com.br\/?p=32527"},"modified":"2022-01-13T15:26:37","modified_gmt":"2022-01-13T18:26:37","slug":"halo-solar-chama-atencao-no-ceu-da-rmr-entenda-o-fenomeno","status":"publish","type":"post","link":"https:\/\/blogopara.com.br\/index.php\/2022\/01\/13\/halo-solar-chama-atencao-no-ceu-da-rmr-entenda-o-fenomeno","title":{"rendered":"Halo solar chama aten\u00e7\u00e3o no c\u00e9u da RMR; entenda o fen\u00f4meno"},"content":{"rendered":"<p style=\"text-align: justify;\">Um\u00a0<strong>arco-\u00edris ao redor do sol<\/strong>, fen\u00f4meno natural conhecido como\u00a0<strong>halo solar<\/strong>, ficou v\u00edsivel no c\u00e9u do\u00a0<strong>Recife<\/strong>\u00a0e Regi\u00e3o Metropolitana no fim da manh\u00e3 desta quinta-feira (13).<\/p>\n<div class=\"teads-inread sm-screen\" style=\"text-align: justify;\">\n<div>\n<div class=\"teads-ui-components-label\">\u00a0<\/div>\n<div id=\"teads0\" class=\"teads-player\"><span style=\"font-size: revert; color: initial;\">O fen\u00f4meno ocorre porque <\/span><strong style=\"font-size: revert; color: initial;\">a luz do sol \u00e9 refletida e refratada por pequenos cristais de gelo<\/strong><span style=\"font-size: revert; color: initial;\">\u00a0suspensos na\u00a0<\/span><strong style=\"font-size: revert; color: initial;\">troposfera<\/strong><span style=\"font-size: revert; color: initial;\">, camada da atmosfera localizada a cerca de 17 quil\u00f4metros de altitude, o que causa a dispers\u00e3o na luz. O formato circular do halo est\u00e1 ligado \u00e0 estrutura hexagonal desses cristais.<\/span><\/div>\n<\/div>\n<\/div>\n<p style=\"text-align: justify;\">Cleiton Batista, da coordena\u00e7\u00e3o do\u00a0<a href=\"https:\/\/www.folhape.com.br\/noticias\/observatorio-astronomico-da-se-reabre-nesta-terca-feira-4-veja\/211145\/\" target=\"_blank\" rel=\"noopener\"><strong>Observat\u00f3rio Astron\u00f4mico da S\u00e9<\/strong><\/a>, explica que a percep\u00e7\u00e3o do fen\u00f4meno depende de onde a pessoa est\u00e1.\u00a0<\/p>\n<div class=\"dn_noticiasRelacionadas\" style=\"text-align: justify;\">\n<div class=\"spacer30\"><span style=\"font-size: revert; color: initial;\">&#8220;Cada pessoa que est\u00e1 fazendo o registro tem uma <\/span><strong style=\"font-size: revert; color: initial;\">visualiza\u00e7\u00e3o bastante pessoal<\/strong><span style=\"font-size: revert; color: initial;\">. Se eu fotografo aqui da minha casa, n\u00e3o vou ter a mesma percep\u00e7\u00e3o de outra pessoa que est\u00e1 observando&#8221;, detalha o especialista. Isso quer dizer que, para algumas pessoas, a parte interna do halo pode ser mais escura do que para outras, por exemplo.<\/span><\/div>\n<\/div>\n<div class=\"dn_galeria_noticia\" style=\"text-align: justify;\">\n<div class=\"clear\">\u00a0<\/div>\n<div id=\"noticia_galeria\" class=\"royalSlider rsDefault rsHor rsWithThumbs rsWithThumbsHor\">\n<div class=\"rsOverflow grab-cursor\">\n<div class=\"rsContainer\">\n<div class=\"rsSlide \">\u00a0<\/div>\n<div class=\"rsSlide \"><span style=\"color: initial; font-size: revert;\">Segundo Cleiton, a forma\u00e7\u00e3o do halo, tamb\u00e9m conhecido com<\/span><strong style=\"color: initial; font-size: revert;\">\u00a0halo de\u00a022 graus<\/strong><span style=\"color: initial; font-size: revert;\">, que \u00e9 o raio do c\u00edrculo ao redor do sol ou da lua, \u00e9 favorecida pela presen\u00e7a de\u00a0<\/span><strong style=\"color: initial; font-size: revert;\">nuvens do tipo cirrus\u00a0<\/strong><span style=\"color: initial; font-size: revert;\">na troposfera.\u00a0<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p style=\"text-align: justify;\">&#8220;Costuma ser r\u00e1pido e depende da conformidade das nuvens. Vai sumindo, vai desaparecendo. Ano passado, a gente teve algumas visualiza\u00e7\u00f5es e pode ocorrer tamb\u00e9m com a visualiza\u00e7\u00e3o da lua&#8221;, acrescenta. Quando ocorre com a lua, o fen\u00f4meno \u00e9 chamado de\u00a0<strong>halo lunar<\/strong>.\u00a0<\/p>\n<p style=\"text-align: justify;\">Em algumas culturas, acrescenta Cleiton, o halo solar\u00a0<strong>antecende chuvas<\/strong>.\u00a0<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><strong>Visualiza\u00e7\u00e3o<\/strong><\/p>\n<div id=\"ad-middle\" class=\" adRef\" style=\"text-align: justify;\" data-google-query-id=\"CJjUvvGqr_UCFS8AuQYdBWgGrQ\">\n<div id=\"google_ads_iframe_\/21867286880\/folhape\/middle_0__container__\">\u00a0<\/div>\n<\/div>\n<p style=\"text-align: justify;\">Sobre a visualiza\u00e7\u00e3o do fen\u00f4meno, Cleiton Batista destaca que\u00a0<strong>n\u00e3o \u00e9 recomendado olhar diretamente para o sol<\/strong>. &#8220;No caso do halo solar, se forma um grande c\u00edrculo e\u00a0<strong>voc\u00ea pode visualizar o arco<\/strong>\u00a0que se forma sem problema&#8221;, disse.\u00a0<\/p>\n<p style=\"text-align: justify;\">O especialista acrescenta que n\u00e3o \u00e9 recomendada a vis\u00e3o a olho nu ou usando filmes radiogr\u00e1ficos usados ou negativos de foto, objetos n\u00e3o eficazes para\u00a0<strong>proteger a retin<\/strong>a do olho.<\/p>\n<p style=\"text-align: justify;\">&#8220;Se voc\u00ea olha direto para o sol, voc\u00ea pode ter danos s\u00e9rios \u00e0 retina, causar\u00a0<strong>cegueira permanente<\/strong>. No Observat\u00f3rio, a gente faz observa\u00e7\u00e3o do sol usando telesc\u00f3pio. Na abertura, a gente coloca um filtro espec\u00edfico que barra boa parte dos raios ultravioleta que s\u00e3o danosos ao olho e d\u00e1 uma boa seguran\u00e7a para quem est\u00e1 observando&#8221;, acrescenta Cleiton.<\/p>\n<p style=\"text-align: justify;\"><strong>Nas redes<\/strong><br \/>O fen\u00f4meno no c\u00e9u, claro, logo chamou a aten\u00e7\u00e3o dos internautas, que publicaram alguns registros nas redes sociais.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um\u00a0arco-\u00edris ao redor do sol, fen\u00f4meno natural conhecido como\u00a0halo solar, ficou v\u00edsivel no c\u00e9u do\u00a0Recife\u00a0e Regi\u00e3o Metropolitana no fim da manh\u00e3 desta quinta-feira (13). \u00a0 O fen\u00f4meno ocorre porque a luz do sol \u00e9 refletida e refratada por pequenos cristais de gelo\u00a0suspensos na\u00a0troposfera, camada da atmosfera localizada a cerca de 17 quil\u00f4metros de altitude, o 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