{"id":32322,"date":"2024-03-25T08:39:11","date_gmt":"2024-03-25T07:39:11","guid":{"rendered":"https:\/\/www.emiliosilveravazquez.com\/blog\/?p=32322"},"modified":"2024-03-25T08:39:11","modified_gmt":"2024-03-25T07:39:11","slug":"avanzar-en-el-saber","status":"publish","type":"post","link":"http:\/\/www.emiliosilveravazquez.com\/blog\/2024\/03\/25\/avanzar-en-el-saber\/","title":{"rendered":"Avanzar en el saber"},"content":{"rendered":"<h1 class=\"entry-title\" style=\"text-align: justify;\">El telescopio James Webb arroja datos sobre la expansi\u00f3n del universo que sorprenden a los cient\u00edficos<\/h1>\n<header class=\"entry-header\">\n<div class=\"subtitles\">\n<h2><a href=\"https:\/\/okdiario.com\/curiosidades\/astronomos-descubren-monstruosa-estructura-cosmica-que-desafia-lo-que-ya-sabemos-del-universo-12243367\">Los astr\u00f3nomos descubren una monstruosa estructura c\u00f3smica que desaf\u00eda lo que ya sabemos del universo<\/a><\/h2>\n<h2><a href=\"https:\/\/okdiario.com\/ciencia\/experimento-que-demostro-teoria-confirmacion-del-big-bang-medio-del-experimento-del-satelite-cobe-12252938\">El experimento que demostr\u00f3 la teor\u00eda: la confirmaci\u00f3n del <a href=\"#\" onclick=\"referencia('big bang',event); return false;\">Big Bang<\/a> por medio del experimento del sat\u00e9lite COBE<\/a><\/h2>\n<p>&nbsp;<\/p>\n<\/div>\n<\/header>\n<section class=\"content\">\n<figure class=\"main-image\" style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/okdiario.com\/img\/2024\/03\/24\/el-telescopio-james-webb-arroja-datos-sobre-la-expansion-del-universo-que-sorprenden-a-los-cientificos-635x358.jpg\" alt=\"El telescopio James Webb arroja datos sobre la expansi\u00f3n del universo que sorprenden a los cient\u00edficos\" data-placeholder=\"https:\/\/okdiario.com\/web\/themes\/v10\/css\/_img\/placeholder-main.jpg\" \/><\/figure>\n<\/section>\n<address class=\"autor card-img\">\n<figure class=\"author-image\"><img decoding=\"async\" class=\"avatar\" src=\"https:\/\/okdiario.com\/img\/2021\/10\/19\/janire-manzanas1.jpeg\" alt=\"Janire Manzanas\" \/><\/figure>\n<ul class=\"author \">\n<li class=\"author-name\"><strong><a title=\"Janire Manzanas\" href=\"https:\/\/okdiario.com\/autor\/janire-manzanas\/\">JANIRE MANZANAS<\/a><\/strong><\/li>\n<li class=\"user-bio\">Graduada en Marketing y experta en Marketing Digital. Redactora en OK Diario. Experta en curiosidades, mascotas, consumo y Loter\u00eda de Navidad.\n<ul>\n<li class=\"publish-time\"><time class=\"date\" datetime=\"25-03-2024 08:05\"><a href=\"https:\/\/okdiario.com\/archivos\/2024\/03\/25\/\">25\/03\/2024 08:05<\/a><\/time><\/li>\n<li class=\"updated-time \">ACTUALIZADO:\u00a0<time class=\"date\" datetime=\"25-03-2024 08:05\">25\/03\/2024 08:05<\/time><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/address>\n<div id=\"native-addthis\" style=\"text-align: justify;\">\n<div class=\"native-share-buttons\">\n<div class=\"addthis-item telegram\"><\/div>\n<\/div>\n<\/div>\n<div id=\"contentid-0\" class=\"entry-content\">\n<p style=\"text-align: justify;\">Los f\u00edsicos se han quedado perplejos al descubrir discrepancias en las observaciones del telescopio espacial Hubbl, que se utilizaron para analizar la expansi\u00f3n del universo..Un estudio m\u00e1s reciente realizado con el\u00a0<strong>observatorio espacial James Webb<\/strong>\u00a0descarta la posibilidad de error humano y plantea cuestiones significativas sobre el entendimiento del\u00a0<a href=\"https:\/\/okdiario.com\/curiosidades\/lluvia-no-igual-todos-planetas-asi-son-mas-raras-todo-universo-12062686\">cosmos<\/a>.<\/p>\n<p style=\"text-align: justify;\">En 1929,\u00a0<strong>Edwin <a href=\"#\" onclick=\"referencia('hubble',event); return false;\">Hubble<\/a> revel\u00f3 la expansi\u00f3n del universo<\/strong>, respaldando la\u00a0<a href=\"https:\/\/okdiario.com\/ciencia\/fisica-particulas-descubrimiento-del-boson-higgs-12098444\">teor\u00eda del <a href=\"#\" onclick=\"referencia('big bang',event); return false;\">Big Bang<\/a><\/a>. Sin embargo, la constante de <a href=\"#\" onclick=\"referencia('hubble',event); return false;\">Hubble<\/a>, que mide esta expansi\u00f3n, arroja valores divergentes en cada intento de medici\u00f3n.<\/p>\n<h2 class=\"title2\" style=\"text-align: justify;\">El misterio de la expansi\u00f3n del universo<\/h2>\n<p style=\"text-align: justify;\">Una t\u00e9cnica para calcular esta constante es a trav\u00e9s de las\u00a0<strong>cefeidas, estrellas cuyo brillo var\u00eda predictivamente con su expansi\u00f3n y contracci\u00f3n<\/strong>. Estos objetos sirven como indicadores de distancia confiables.<\/p>\n<p style=\"text-align: justify;\">Los astr\u00f3nomos han calculado una\u00a0<strong>tasa de expansi\u00f3n de 73 km\/s\/Mpc usando cefeidas y supernovas<\/strong>. Sin embargo, otras t\u00e9cnicas, como el an\u00e1lisis del fondo c\u00f3smico de microondas, sugieren una tasa m\u00e1s baja, de 67 km\/s\/Mpc. Este desacuerdo se conoce como la \u00abtensi\u00f3n de <a href=\"#\" onclick=\"referencia('hubble',event); return false;\">Hubble<\/a>\u00bb.<\/p>\n<p style=\"text-align: justify;\">El telescopio James Webb confirma estas discrepancias. Un estudio reciente, utilizando la alta resoluci\u00f3n del Webb, observ\u00f3 una\u00a0<strong>muestra extensa de cefeidas y supernovas, reforzando las mediciones anteriores<\/strong>.<\/p>\n<p style=\"text-align: justify;\"><strong>Los cient\u00edficos no han encontrado errores humanos en estas mediciones<\/strong>, lo que sugiere una comprensi\u00f3n incompleta del universo. Aunque se pensaba que las mediciones podr\u00edan estar sesgadas, el Webb confirm\u00f3 resultados dentro de un margen de error m\u00ednimo.<\/p>\n<p style=\"text-align: justify;\">Para Adam Riess, este resultado elimina la posibilidad de error humano y plantea la emocionante idea de una comprensi\u00f3n err\u00f3nea del cosmos. \u00bf<strong>Podr\u00edan existir part\u00edculas o fuerzas desconocidas?<\/strong>\u00a0La tensi\u00f3n de <a href=\"#\" onclick=\"referencia('hubble',event); return false;\">Hubble<\/a> est\u00e1 en su punto m\u00e1ximo, desafiando a la f\u00edsica a repensar sus fundamentos.<\/p>\n<section class=\"content\">\n<div id=\"contentid-0\" class=\"entry-content\">\n<header class=\"entry-header\">\n<div class=\"subtitles\"><\/div>\n<\/header>\n<section class=\"content\">OKDiario<\/section>\n<\/div>\n<\/section>\n<\/div>\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%2F2024%2F03%2F25%2Favanzar-en-el-saber%2F&amp;title=Avanzar+en+el+saber' 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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