{"id":394,"date":"2015-01-21T00:00:00","date_gmt":"2015-01-21T04:00:00","guid":{"rendered":"https:\/\/explora.cl\/biobio\/blog\/2015\/01\/21\/ya-conocemos-la-distancia-exacta-de-la-tierra-a-saturno\/"},"modified":"2019-05-20T18:40:22","modified_gmt":"2019-05-20T18:40:22","slug":"ya-conocemos-la-distancia-exacta-de-la-tierra-a-saturno","status":"publish","type":"post","link":"https:\/\/explora.cl\/biobio\/ya-conocemos-la-distancia-exacta-de-la-tierra-a-saturno\/","title":{"rendered":"Ya conocemos la distancia exacta de la Tierra a Saturno"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\" size-full wp-image-8608\" src=\"http:\/\/ec2-34-218-253-251.us-west-2.compute.amazonaws.com\/wp-content\/uploads\/2015\/01\/18104543d8ce827a7225e455a026090f.jpg\" alt=\"\" width=\"960\" height=\"540\" \/><\/p>\n<p><em><strong>Las mediciones son 20 veces m\u00e1s precisas que las anteriores y el margen de error es de s\u00f3lo 1.6 kil\u00f3metros.<\/strong><\/em><span style=\"line-height: 1.3em\">\u00a0<\/span><\/p>\n<p>  <!--more-->  <\/p>\n<p>\u00a0<\/p>\n<p><span style=\"line-height: 1.3em\">Obtener la posici\u00f3n exacta de un planeta respecto a la Tierra es algo que parece simple, pero es extremadamente complicado, un error en los c\u00e1lculos puede ser desastroso. Ahora, por primera vez, desde 1610, conocemos la distancia exacta hasta Saturno desde la Tierra y el margen de error es de tan s\u00f3lo 1.6 kil\u00f3metros.<\/span><span style=\"line-height: 1.3em\">\u00a0<\/span><\/p>\n<p>Esto se logr\u00f3 mediante el Very Long Baseline Array, un sistema de radiotelescopios que se encuentra distribuido entre EE.UU, Puerto Rico y Alemania para ubicar a la Sonda Cassini. Las antenas, cuya altura es la de un edificio de diez pisos, apuntaron a Cassini porque su posici\u00f3n respecto a Saturno es conocida, es decir, se us\u00f3 un sistema de dos puntos para calcular la distancia.<span style=\"line-height: 1.3em\">\u00a0<\/span><\/p>\n<p>Los resultados publicados en Physicstoday son 20 veces m\u00e1s precisos que los que se ten\u00edan anteriormente y son fruto de la colaboraci\u00f3n del Jet Propulsion Laboratory de la NASA y el VLBA. Ahora podemos calcular con mucha mayor facilidad y menor error las \u00f3rbitas de Saturno e, incluso, optimizar las rutas para las naves espaciales, lo que podr\u00eda ahorrar combustible y reducir los costos.<span style=\"line-height: 1.3em\">\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.fayerwayer.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong><span style=\"color: #003300\">Fuente: Fayerwayer<\/span><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Las mediciones son 20 veces m\u00e1s precisas que las anteriores y el margen de error es de s\u00f3lo 1.6 kil\u00f3metros.\u00a0<\/p>\n","protected":false},"author":2,"featured_media":395,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[4],"tags":[],"class_list":["post-394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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