{"id":3677,"date":"2020-10-28T20:31:08","date_gmt":"2020-10-28T19:31:08","guid":{"rendered":"https:\/\/astroterrassa.org\/blog\/?p=3677"},"modified":"2020-10-28T20:43:58","modified_gmt":"2020-10-28T19:43:58","slug":"xerrada-on-line-jordi-miralda-materia-fosca-galaxies","status":"publish","type":"post","link":"https:\/\/astroterrassa.org\/blog\/xerrada-on-line-jordi-miralda-materia-fosca-galaxies\/","title":{"rendered":"\u00abLa mat\u00e8ria fosca, la formaci\u00f3 de les gal\u00e0xies, i les lents gravitat\u00f2ries\u00bb Xerrada on-line de Jordi Miralda"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Organitzada per Serviastro (ICCUB-UB) en el context del <strong>Dark Matter Day<\/strong>, la xerrada ser\u00e0<strong> emesa per Youtube (canal de l&#8217;ICCUB) <\/strong>el proper <strong>dissabte 31 d&#8217;octubre a les 17:00h<\/strong>.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e.jpg\" alt=\"\" class=\"wp-image-3678\" width=\"463\" height=\"219\" srcset=\"https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e.jpg 800w, https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e-600x284.jpg 600w, https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e-768x363.jpg 768w, https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e-300x142.jpg 300w, https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e-520x245.jpg 520w, https:\/\/astroterrassa.org\/blog\/wp-content\/uploads\/2020\/10\/DarkMatterDay_e-720x340.jpg 720w\" sizes=\"auto, (max-width: 463px) 100vw, 463px\" \/><figcaption>T\u00edtol: Cartell Mat\u00e8ria Fosca 2020<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>A c\u00e0rrec de: Jordi Miralda, ICREA-ICCUB <\/li><li> Lloc: <a rel=\"noreferrer noopener\" href=\"https:\/\/youtu.be\/qxnXfmzpj20\" target=\"_blank\">Youtube Live<\/a> (canal de ICCUB)<\/li><li> Data: 31\/10\/2020 &#8211; 17:00h <\/li><li> Idioma: CA <\/li><li> Context: <a rel=\"noreferrer noopener\" href=\"https:\/\/www.darkmatterday.com\/\" target=\"_blank\">Dark Matter Day<\/a> <\/li><li>Obert a tots els p\u00fablics  <\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;exist\u00e8ncia de mat\u00e8ria fosca a l&#8217;Univers ha sigut corroborada per una&nbsp;gran diversitat d&#8217;observacions. Curiosament, encara que no sabem res sobre qu\u00e8 \u00e9s la mat\u00e8ria fosca, s\u00ed que en tenim prou pistes per dir la&nbsp;manera com ha impactat en la formaci\u00f3 de gal\u00e0xies. El recent Premi Nobel de&nbsp;2019 va celebrar, entre altres coses, la teoria de la mat\u00e8ria fosca freda&nbsp;impulsada pel cosm\u00f2leg James Peebles, que ens explica com les gal\u00e0xies es van&nbsp;poder formar partint de petits canvis en la densitat de l&#8217;Univers primitiu&nbsp;nom\u00e9s gr\u00e0cies al paper clau que hi va jugar la mat\u00e8ria fosca. Les lents&nbsp;gravitat\u00f2ries, capaces de revelar la distribuci\u00f3 de mat\u00e8ria fosca, ens&nbsp;proporcionen una via per poder indagar sobre aquesta q\u00fcesti\u00f3 b\u00e0sica de la&nbsp;cosmologia actual: qu\u00e8 \u00e9s la mat\u00e8ria fosca?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Web: <a href=\"https:\/\/serviastro.ub.edu\/activitats\/conferencies\/la-materia-fosca-la-formacio-de-les-galaxies-i-les-lents-gravitatories\">https:\/\/serviastro.ub.edu\/activitats\/conferencies\/la-materia-fosca-la-formacio-de-les-galaxies-i-les-lents-gravitatories<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">El dia de la Mat\u00e8ria Fosca<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Al llarg del mes d\u2019octubre, el m\u00f3n celebrar\u00e0 la cerca hist\u00f2rica de l&#8217;invisible, que els cient\u00edfics coneixen com a mat\u00e8ria fosca.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des del 2017, m\u00e9s de 159 esdeveniments mundials, regionals i locals s\u2019han celebrat al voltant del 31 d\u2019octubre per part d\u2019institucions i individus que busquen implicar el p\u00fablic en debats sobre el que ja sabem sobre la mat\u00e8ria fosca i els experiments duts a terme i previstos per tal de resoldre els seus misteris.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Web:&nbsp;<a href=\"https:\/\/www.darkmatterday.com\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (s'obre en una nova pestanya)\">https:\/\/www.darkmatterday.com\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sobre l&#8217;autor<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El&nbsp;<strong><a href=\"http:\/\/icc.ub.edu\/people\/95\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (s'obre en una nova pestanya)\">Jordi Miralda<\/a><\/strong>&nbsp;\u00e9s professor ICREA, astr\u00f2nom i director cient\u00edfic de l&#8217;Institut de Ci\u00e8ncies del Cosmos. Doctor en Astrof\u00edsica per la Universitat de Princeton, va retornar a Catalunya com a professor ICREA l&#8217;any 2005. La seva recerca est\u00e0 centrada principalment en el&nbsp;camp de l&#8217;astrof\u00edsica te\u00f2rica, i pret\u00e9n donar explicacions f\u00edsiques sobre els fen\u00f2mens que observem a l&#8217;Univers. Tot i que els seus interessos engloben des de la formaci\u00f3 de gal\u00e0xies fins a la composici\u00f3 de l&#8217;Univers o la formaci\u00f3 dels forats negres massius, durant els \u00faltims anys ha centrat els&nbsp;seus esfor\u00e7os en estudiar&nbsp;la distribuci\u00f3 a gran escala del gas intergal\u00e0ctic a trav\u00e9s dels sondeigs de qu\u00e1sars. Actualment, investiga sobre les t\u00e8cniques que indaguen en la naturalesa de la mat\u00e8ria fosca.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a rel=\"noreferrer noopener\" aria-label=\" (s'obre en una nova pestanya)\" href=\"https:\/\/serviastro.ub.edu\/taxonomy\/term\/397\" target=\"_blank\">Jordi Miralda, ICREA-ICCUB<\/a> <\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Organitzada per Serviastro (ICCUB-UB) en el context del Dark Matter Day, la xerrada ser\u00e0 emesa per Youtube (canal de l&#8217;ICCUB) el proper dissabte 31 d&#8217;octubre a les 17:00h. A c\u00e0rrec de: Jordi&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":3678,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50],"tags":[],"class_list":["post-3677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies-articles-externs"],"_links":{"self":[{"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/posts\/3677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/comments?post=3677"}],"version-history":[{"count":0,"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/posts\/3677\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/media\/3678"}],"wp:attachment":[{"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/media?parent=3677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/categories?post=3677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astroterrassa.org\/blog\/wp-json\/wp\/v2\/tags?post=3677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}