{"id":867,"date":"2008-03-24T17:21:10","date_gmt":"2008-03-24T15:21:10","guid":{"rendered":"http:\/\/www.alpoma.net\/tecob\/?p=867"},"modified":"2008-03-24T17:26:39","modified_gmt":"2008-03-24T15:26:39","slug":"una-gran-distancia","status":"publish","type":"post","link":"https:\/\/alpoma.net\/tecob\/?p=867","title":{"rendered":"Una gran distancia&#8230;"},"content":{"rendered":"<p>Revisando un<strong> libro escolar de principios de los a\u00f1os cuarenta<\/strong>, me he encontrado con esta frase en la que se deseaba mostrar algo imposible de realizar:<\/p>\n<blockquote><p>El Sol dista de la Tierra unos 148 millones de Kil\u00f3metros. Esta distancia es tan enorme, que un tren expr\u00e9s, sin parar un solo minuto, tardar\u00eda m\u00e1s de trescientos a\u00f1os para ir de la Tierra al Sol<sup>1<\/sup>.<\/p><\/blockquote>\n<p>Sirva como recuerdo acerca de lo \u00abimposible\u00bb, cuando ahora mismo hay varias <strong><a href=\"http:\/\/en.wikipedia.org\/wiki\/Sun#Solar_space_missions\">sondas terrestres en las cercan\u00edas del Sol<\/a><\/strong>. \u00bfCu\u00e1ntas cosas que se consideran todav\u00eda imposibles, ser\u00e1n reales a comienzos del siglo XXII? Espero que muchas. \ud83d\ude09<\/p>\n<p>__________<br \/>\n<sup>1<\/sup> Las mediciones actuales cifran la distancia media entre la Tierra y el Sol en 149.597.871 kil\u00f3metros.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Revisando un libro escolar de principios de los a\u00f1os cuarenta, me he encontrado con esta frase en la que se deseaba mostrar algo imposible de realizar: El Sol dista de <a class=\"mh-excerpt-more\" href=\"https:\/\/alpoma.net\/tecob\/?p=867\" title=\"Una gran distancia&#8230;\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-867","post","type-post","status-publish","format-standard","hentry","category-geo","category-obsolescencia"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p93Dc1-dZ","jetpack-related-posts":[{"id":1111,"url":"https:\/\/alpoma.net\/tecob\/?p=1111","url_meta":{"origin":867,"position":0},"title":"Inmensa distancia","author":"alpoma","date":"7 abril 2009","format":false,"excerpt":"Hace tiempo publiqu\u00e9 por aqu\u00ed una apreciaci\u00f3n que encontr\u00e9 en una enciclopedia escolar de los a\u00f1os cuarenta, de aquellas en que cab\u00eda todo en un solo volumen, empezando por la gram\u00e1tica y las matem\u00e1ticas hasta terminar con historia sagrada y urbanidad. La frase mostraba lo inalcanzable que parec\u00eda entonces llegar\u2026","rel":"","context":"En \u00abObsolescencia\u00bb","block_context":{"text":"Obsolescencia","link":"https:\/\/alpoma.net\/tecob\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2009\/04\/3420547417_4c3653b7ef_o.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2009\/04\/3420547417_4c3653b7ef_o.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2009\/04\/3420547417_4c3653b7ef_o.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":593,"url":"https:\/\/alpoma.net\/tecob\/?p=593","url_meta":{"origin":867,"position":1},"title":"Gracias a la Luna&#8230;","author":"alpoma","date":"15 septiembre 2006","format":false,"excerpt":"Conocido es que la Tierra, mantiene una inclinaci\u00f3n \"constante\" de 23,5\u00ba respecto del plano orbital. Esta inclinaci\u00f3n del ecuador con respecto a la ecl\u00edptica, llamada oblicuidad, hace que las cosas en nuestro planeta sean m\u00e1s divertidas, o pesadas seg\u00fan se mire, que si se tratara de un planeta cuyo ecuador\u2026","rel":"","context":"En \u00abGeo\u00bb","block_context":{"text":"Geo","link":"https:\/\/alpoma.net\/tecob\/?cat=5"},"img":{"alt_text":"oblicuidad","src":"https:\/\/i0.wp.com\/static.flickr.com\/91\/243960860_83e611ecc3_o.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1054,"url":"https:\/\/alpoma.net\/tecob\/?p=1054","url_meta":{"origin":867,"position":2},"title":"La Gran Aurora","author":"alpoma","date":"3 enero 2009","format":false,"excerpt":"Primer d\u00eda de septiembre, un jueves cualquiera perdido en el calendario del a\u00f1o 1859, los rayos del sol atraviesan las lentes de un telescopio para proyectarse sobre una delgada placa. Reflejado en la l\u00edmpida superficie no parece gran cosa, el gran horno de fusi\u00f3n que es nuestra estrella se presenta\u2026","rel":"","context":"En \u00abGeo\u00bb","block_context":{"text":"Geo","link":"https:\/\/alpoma.net\/tecob\/?cat=5"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2009\/01\/3163608797_dbeae4d084_m.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":13573,"url":"https:\/\/alpoma.net\/tecob\/?p=13573","url_meta":{"origin":867,"position":3},"title":"Cuando Tesla buscaba a E.T.","author":"alpoma","date":"18 agosto 2018","format":false,"excerpt":"Como coment\u00e9 en mi \u00faltimo art\u00edculo, he aqu\u00ed mi traducci\u00f3n de un texto de Nikola Tesla acerca de la comunicaci\u00f3n entre la humanidad y civilizaciones extraterrestres. 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