{"id":5893,"date":"2013-08-11T08:28:38","date_gmt":"2013-08-11T12:58:38","guid":{"rendered":"https:\/\/seryhumano.com\/web\/?p=5893"},"modified":"2013-08-12T13:01:01","modified_gmt":"2013-08-12T17:31:01","slug":"lluvia-de-estrellas-en-primera-fila","status":"publish","type":"post","link":"https:\/\/seryhumano.com\/web\/?p=5893","title":{"rendered":"Lluvia de Estrellas en primera fila"},"content":{"rendered":"<p><a href=\"https:\/\/seryhumano.com\/web\/?attachment_id=5894\" rel=\"attachment wp-att-5894\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-5894\" alt=\"lluvia de estrellas1\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/08\/lluvia-de-estrellas1.jpg\" width=\"300\" height=\"168\" \/><\/a>Meteoritos de la &#8216;lluvia de estrellas&#8217; Perseidas, que caer\u00e1n sobre la Tierra la noche entre el 12 y el 13 de agosto, van a dejar unos rastros de contaminaci\u00f3n espacial a su paso que ayudar\u00e1n a los astr\u00f3nomos a obtener una mejor visi\u00f3n del espacio.<\/p>\n<p>Esta contaminaci\u00f3n no representar\u00e1 ninguna amenaza para nuestro planeta, pero es un verdadero regalo para los cient\u00edficos: los astr\u00f3nomos disparar\u00e1n rayos l\u00e1ser de gran alcance en los residuos gaseosos de las Perseidas, que contienen sodio, para crear unas &#8216;estrellas&#8217; artificiales que permitir\u00e1n a los investigadores tomar fotos m\u00e1s claras del cosmos.<\/p>\n<p>\u00abLa raz\u00f3n por la cual los cient\u00edficos somos tan apasionados de esta capa de contaminaci\u00f3n en concreto es porque podemos hacerla brillar con un l\u00e1ser para excitar el sodio y producir estrellas artificiales temporales donde deseamos. Lo crean o no, las estrellas que hay en el cielo no son suficientes para los astr\u00f3nomos\u00bb, explica Chad Trujillo, el jefe del programa de \u00f3ptica adaptativa del Observatorio Gemini en Chile.<a href=\"https:\/\/seryhumano.com\/web\/?attachment_id=5897\" rel=\"attachment wp-att-5897\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-5897\" alt=\"observatorio G\u00e9minis\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/08\/observatorio-G\u00e9minis-300x195.jpg\" width=\"300\" height=\"195\" srcset=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/08\/observatorio-G\u00e9minis-300x195.jpg 300w, https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/08\/observatorio-G\u00e9minis.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Para observar el universo con una m\u00e1xima claridad los astr\u00f3nomos utilizan sistemas de \u00f3ptica adaptativa, que anula la interferencia nebulosa de la atm\u00f3sfera de la Tierra durante las observaciones realizadas mediante el telescopio. Estas estrellas artificiales, tambi\u00e9n llamadas &#8216;estrellas gu\u00eda l\u00e1ser&#8217;, por su parte, pueden ayudar a los cient\u00edficos a corregir estos sistemas de \u00f3ptica adaptativa. Analizando la luz de las &#8216;estrellas gu\u00eda&#8217;, crean una l\u00ednea de base para localizar los efectos borrosos de la atm\u00f3sfera como las columnas de aire.<\/p>\n<p>\u00abCuanto mayor sea la columna de aire, m\u00e1s distorsionar\u00e1n sus turbulencias la luz observada\u00bb, explica Trujillo. \u00abEl uso de las &#8216;estrellas gu\u00eda l\u00e1ser&#8217; nos da una referencia para que podamos corregir esas turbulencias y ver las cosas desde la Tierra con una claridad asombrosa\u00bb, a\u00f1adi\u00f3.<\/p>\n<p><b><a href=\"https:\/\/seryhumano.com\/web\/?attachment_id=5898\" rel=\"attachment wp-att-5898\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-5898\" alt=\"asteroide-300x225\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/08\/asteroide-300x225.jpg\" width=\"300\" height=\"225\" \/><\/a>Un asteroide entre nosotros<\/b><\/p>\n<p>El cuerpo celeste, denominado<b>\u00a02013 PS13<\/b>\u00a0tiene un di\u00e1metro estimado por los astr\u00f3nomos de unos\u00a0<b>19 metros<\/b>, y pas\u00f3 a\u00a0<b>una distancia casi equidistante entre la Tierra y la luna.<\/b>\u00a0Exactamente a 203.700 kil\u00f3metros de la Tierra, una distancia que es aproximadamente la mitad del radio medio de la \u00f3rbita lunar.<\/p>\n<p>El nuevo objeto espacial fue detectado por primera vez por el personal del Observatorio Espa\u00f1ol de La Sagra, en la provincia espa\u00f1ola de Granada, el mi\u00e9rcoles 7 de agosto.<br \/>\nEl domingo pasado otro asteroide, de unos 70 metros de di\u00e1metro, llamado 2013 PJ10, tambi\u00e9n pas\u00f3 cerca de nuestro planeta, aunque a a una distancia mayor: 371.400 kil\u00f3metros.<\/p>\n<p>El meteorito de Cheli\u00e1binsk, que cay\u00f3 a principios de a\u00f1o en la regi\u00f3n rusa de los Urales provocando una fuerte onda expansiva que destruy\u00f3 cristales de edificios y dej\u00f3 m\u00e1s de mil heridos, med\u00eda unos 18 metros antes de empezar a desintegrarse al entrar a la atm\u00f3sfera.<\/p>\n<p>seryhumano.com<\/p>\n<p>Fuente: actualidad.rt.com y ambito.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Meteoritos de la &#8216;lluvia de estrellas&#8217; Perseidas, que caer\u00e1n sobre la Tierra la noche entre el 12 y el 13 de agosto, van a dejar unos rastros de contaminaci\u00f3n espacial a su paso que ayudar\u00e1n a los astr\u00f3nomos a obtener una mejor visi\u00f3n del espacio. Esta contaminaci\u00f3n no representar\u00e1 ninguna amenaza para nuestro planeta, pero&hellip;<\/p>\n","protected":false},"author":2,"featured_media":5982,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[110],"tags":[111],"class_list":["post-5893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-slider","category-110","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lluvia de Estrellas en primera fila &#187; SeryHumano.com<\/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:\/\/seryhumano.com\/web\/?p=5893\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lluvia de Estrellas en primera fila &#187; SeryHumano.com\" \/>\n<meta property=\"og:description\" content=\"Meteoritos de la &#8216;lluvia de estrellas&#8217; Perseidas, que caer\u00e1n sobre la Tierra la noche entre el 12 y el 13 de agosto, van a dejar unos rastros de contaminaci\u00f3n espacial a su paso que ayudar\u00e1n a los astr\u00f3nomos a obtener una mejor visi\u00f3n del espacio. 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