{"id":2031,"date":"2009-05-21T05:00:36","date_gmt":"2009-05-21T03:00:36","guid":{"rendered":"http:\/\/www.emiliosilveravazquez.com\/blog\/?p=2031"},"modified":"2009-04-27T21:06:57","modified_gmt":"2009-04-27T19:06:57","slug":"muy-interesante-2530","status":"publish","type":"post","link":"http:\/\/www.emiliosilveravazquez.com\/blog\/2009\/05\/21\/muy-interesante-2530\/","title":{"rendered":"Muy interesante 25\/30"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"text-decoration: underline;\"><strong>\u00bfQu\u00e9 son las lentes gravitacionales y para qu\u00e9 se usan?<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\">Las lentes gravitacionales son curvaturas en el espacio tiempo que rompen la luz de las estrellas en espejismos dobles, triples y cu\u00e1druples desde el comienzo del tiempo. Imagine un objeto brillante que est\u00e9 muy lejos de la Tierra, digamos a 10.000 millones de a\u00f1os luz de distancia. Si no hay nada entre usted y ese objeto, usted ver\u00e1 (con un s\u00faper-telescopio) s\u00f3lo una imagen. Pero si una galaxia masiva o un c\u00famulo de galaxias bloquea la vista directa de esa otra estrella, la luz del objeto lejano se doblar\u00e1 siguiendo el campo gravitacional alrededor de la galaxia. Es decir, la gravedad de la galaxia que est\u00e1 delante act\u00faa como un lente para reorientar los rayos de luz. Pero en lugar de crear una sola imagen del objeto distante, esta lente crea im\u00e1genes m\u00faltiples del mismo objeto. Las lentes gravitacionales se usan como telescopios naturales para detectar esos objetos sumamente viejos y lejanos, as\u00ed como para estudiar la geometr\u00eda y expansi\u00f3n del universo.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/uploads\/2009\/04\/slide25.jpg\" target=\"_blank\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2032 marco\" title=\"slide25\" src=\"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/uploads\/2009\/04\/slide25-450x307.jpg\" alt=\"slide25\" width=\"450\" height=\"307\" srcset=\"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/uploads\/2009\/04\/slide25-450x307.jpg 450w, http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/uploads\/2009\/04\/slide25-150x102.jpg 150w, http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/uploads\/2009\/04\/slide25.jpg 570w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p style=\"text-align: right;\"><em>Texto extra\u00eddo de <a href=\"http:\/\/www.muyinteresante.es\/astronomia\/25.html\" target=\"_blank\">Muy interesante<\/a><\/em><\/p>\n<div class='bookmark'>\r\n\t\t<table align='left' border='0' cellpadding='0' width='100%'>\r\n\t\t<tr><td><span class='pushbutton'><a href='http:\/\/delicious.com\/post?url=http%3A%2F%2Fwww.emiliosilveravazquez.com%2Fblog%2F2009%2F05%2F21%2Fmuy-interesante-2530%2F&amp;title=Muy+interesante+25%2F30' title='Delicious' target='_blank' rel='nofollow'><img src='http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/plugins\/knxdt-bookmarks-wordpress-plugin\/images\/delicious.png'  alt='' class='book_img' border='none' style='margin:1px; 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Las lentes gravitacionales son curvaturas en el espacio tiempo que rompen la luz de las estrellas en espejismos dobles, triples y cu\u00e1druples desde el comienzo del tiempo. Imagine un objeto brillante que est\u00e9 muy lejos de la Tierra, digamos a 10.000 millones de a\u00f1os luz [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"","footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/posts\/2031"}],"collection":[{"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/comments?post=2031"}],"version-history":[{"count":0,"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/posts\/2031\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/media?parent=2031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/categories?post=2031"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.emiliosilveravazquez.com\/blog\/wp-json\/wp\/v2\/tags?post=2031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}