{"id":3487,"date":"2014-10-30T23:33:57","date_gmt":"2014-10-31T02:33:57","guid":{"rendered":"http:\/\/www.astrofisica.cl\/?p=3487"},"modified":"2024-08-14T13:28:08","modified_gmt":"2024-08-14T13:28:08","slug":"marcio-catelan-escribe-interesante-columna-sobre-el-sol-en-emol-com","status":"publish","type":"post","link":"https:\/\/astrofisicamas.cl\/en\/marcio-catelan-escribe-interesante-columna-sobre-el-sol-en-emol-com\/","title":{"rendered":"M\u00e1rcio Catelan escribe interesante columna sobre El Sol en Emol.com"},"content":{"rendered":"<h4 style=\"text-align: justify;\"><b><i>\u00abEl Sol, proveedor y verdugo de la Tierra\u00bb es el t\u00edtulo de la columna de opini\u00f3n escrita por el investigador asociado del Instituto Milenio de Astrof\u00edsica MAS, M\u00e0rcio Catelan. La publicaci\u00f3n apareci\u00f3 publicada el mi\u00e9rcoles 29 de octubre en la secci\u00f3n \u00abTendencias de la Astronom\u00eda\u00bb del portal Emol.com.<\/i><\/b><\/h4>\n<p style=\"text-align: justify;\"><!--more--><\/p>\n<p style=\"text-align: justify;\">El texto, que aborda las caracter\u00edsticas y el futuro del Sol, y sus efectos en nuestro planeta, hace hincapi\u00e9 en las actuales proyecciones que indican que, \u00aben algunos miles de millones de a\u00f1os, la luminosidad del Sol aumentar\u00e1 2.500 veces y su di\u00e1metro alcanzar\u00e1 unas 250 veces el actual, lo que indica que eventualmente se tragar\u00e1 a la Tierra\u00bb.<\/p>\n<p style=\"text-align: justify;\">M\u00e1rcio Catelan es Doctor en astronom\u00eda de la Universidad de S\u00e3o Paulo (Brasil), y postdoctorado en el Centro Espacial Goddard de la NASA y la Universidad de Virginia. Su l\u00ednea de investigaci\u00f3n se centra en el estudio de la estructura estelar y su evoluci\u00f3n, adem\u00e1s de estrellas pulsantes y estrellas de baja masa, como el Sol. Para esto realiza investigaci\u00f3n te\u00f3rica y experimental.<\/p>\n<p style=\"text-align: justify;\">\u00abEn la jerga astron\u00f3mica, el Sol dejar\u00e1 de ser una enana para transformarse en una gigante. Las estrellas enanas, normalmente menores y menos luminosas, queman hidr\u00f3geno en su centro, mientras las gigantes no lo hacen. Una de las estrellas gigantes m\u00e1s famosas en el cielo es Betelgeuse, en la constelaci\u00f3n de Ori\u00f3n. Las detecciones recientes de part\u00edculas emitidas directamente en el proceso principal de fusi\u00f3n del hidr\u00f3geno en el interior solar confirman que ese escenario es correcto\u00bb, explica M\u00e1rcio en su columna en Emol. \u00abC\u00e1lculos recientes indican que, en su m\u00e1ximo, la luminosidad del Sol aumentar\u00e1 m\u00e1s de 2.500 veces, y su di\u00e1metro alcanzar\u00e1 hasta unas 250 veces su valor actual. Como eso es muy similar a la distancia promedio entre la Tierra el Sol, se concluye que, eventualmente, nuestro planeta ser\u00e1 tragado por el Sol. Si estuviera Betelgeuse en su lugar, \u00a1incluso Marte y J\u00fapiter ser\u00edan tragados!\u00bb, agreg\u00f3.<\/p>\n<p style=\"text-align: justify;\">Sin embargo, seg\u00fan el astr\u00f3nomo, la buena noticia es que a\u00fan faltan algunos miles de millones de a\u00f1os para que esto suceda, tardando al menos unos 1.500 a\u00f1os para que la luminosidad del Sol se vuelva un 10% superior a la actual.<\/p>\n<p style=\"text-align: justify;\">\u00bfQuieres leer la columna completa o participar con tus comentarios? Rev\u00edsala en el siguiente <a href=\"http:\/\/www.emol.com\/especiales\/2014\/tecnologia\/columnas-astronomia\/29-octubre.asp\" target=\"_blank\" rel=\"noopener\">link<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00abEl Sol, proveedor y verdugo de la Tierra\u00bb es el t\u00edtulo de la columna de opini\u00f3n escrita por el investigador asociado del Instituto Milenio de Astrof\u00edsica MAS, M\u00e0rcio Catelan. La publicaci\u00f3n apareci\u00f3 publicada el mi\u00e9rcoles 29 de octubre en la secci\u00f3n \u00abTendencias de la Astronom\u00eda\u00bb del portal Emol.com.<\/p>","protected":false},"author":1,"featured_media":14455,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","footnotes":""},"categories":[23],"tags":[],"class_list":["post-3487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>M\u00e1rcio Catelan escribe interesante columna sobre El Sol en Emol.com - Instituto Milenio de Astrof\u00edsica MAS<\/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:\/\/astrofisicamas.cl\/en\/marcio-catelan-escribe-interesante-columna-sobre-el-sol-en-emol-com\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u00e1rcio Catelan escribe interesante columna sobre El Sol en Emol.com - Instituto Milenio de Astrof\u00edsica MAS\" \/>\n<meta property=\"og:description\" content=\"\u00abEl Sol, proveedor y verdugo de la Tierra\u00bb es el t\u00edtulo de la columna de opini\u00f3n escrita por el investigador asociado del Instituto Milenio de Astrof\u00edsica MAS, M\u00e0rcio Catelan. 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