{"id":50185,"date":"2014-11-14T12:06:04","date_gmt":"2014-11-14T12:06:04","guid":{"rendered":"http:\/\/desarrollo.mcvicious.com\/aero2020\/2014\/11\/14\/ise-acerca-un-cambio-rapido-del-campo-magnetico-de-la-tierra\/"},"modified":"2014-11-14T12:06:04","modified_gmt":"2014-11-14T12:06:04","slug":"ise-acerca-un-cambio-rapido-del-campo-magnetico-de-la-tierra","status":"publish","type":"post","link":"https:\/\/aeronoticias.com.pe\/noticiero\/mundo\/mundo-mundo-2\/ise-acerca-un-cambio-rapido-del-campo-magnetico-de-la-tierra\/","title":{"rendered":"\u00bfSe acerca un cambio r\u00e1pido del campo magn\u00e9tico de la Tierra?"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>(Aeronoticias).-<\/strong> El campo magn\u00e9tico terrestre no s\u00f3lo nos ayuda a encontrar el norte utilizando una br\u00fajula, sino que tambi\u00e9n nos protege de la peligrosa radiaci\u00f3n que emana del Sol.<\/p>\n<p style=\"text-align: justify;\">Desde hace tiempo los cient\u00edficos saben que a lo largo de la historia del planeta Tierra, los polos magn\u00e9ticos se han invertido muchas veces.<\/p>\n<p style=\"text-align: justify;\">Ese proceso, del que se desconocen sus causas exactas y que se cre\u00eda duraba miles de a\u00f1os, se inicia con un progresivo debilitamiento del campo magn\u00e9tico y culmina con la inversi\u00f3n de los polos.<\/p>\n<p style=\"text-align: justify;\">Seg\u00fan algunos c\u00e1lculos, las reversiones magn\u00e9ticas han ocurrido con una frecuencia de 1 a 5 eventos cada mill\u00f3n de a\u00f1os.<\/p>\n<p style=\"text-align: justify;\">Ahora, un estudio realizado por cient\u00edficos de la Universidad de California en Berkeley (UCB) y la Universidad de Columbia, junto con investigadores franceses e italianos, ha concluido que la \u00faltima inversi\u00f3n magn\u00e9tica que se produjo en la Tierra se dio hace 786.000 a\u00f1os y no se prolong\u00f3 durante miles de a\u00f1os sino que se produjo en menos de un siglo.<\/p>\n<p style=\"text-align: justify;\">Fuente: <span style=\"text-decoration: underline;\"><em><strong>BBC<\/strong><\/em><\/span>.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" height=\"351\" class=\"js-image-replace\" src=\"http:\/\/ichef.bbci.co.uk\/news\/ws\/660\/amz\/worldservice\/live\/assets\/images\/2014\/11\/12\/141112015800_campo_magnetico_624x351_thinkstock.jpg\" border=\"0\" alt=\"Recreaci\u00f3n del campo magn\u00e9tico de la Tierra\" width=\"624\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Aeronoticias).- El campo magn\u00e9tico terrestre no s\u00f3lo nos ayuda a encontrar el norte utilizando una br\u00fajula, sino que tambi\u00e9n nos protege de la peligrosa radiaci\u00f3n que emana del Sol. Desde hace tiempo los cient\u00edficos saben que a lo largo de la historia del planeta Tierra, los polos magn\u00e9ticos se han invertido muchas veces. Ese proceso, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[65],"tags":[],"class_list":{"0":"post-50185","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-mundo-mundo-2"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfSe acerca un cambio r\u00e1pido del campo magn\u00e9tico de la Tierra?<\/title>\n<meta name=\"description\" content=\"Portal de noticias del Per\u00fa sobre el transporte a\u00e9reo, aviaci\u00f3n, turismo, hoteleria, actualidad.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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