{"id":2818,"date":"2018-12-13T20:38:48","date_gmt":"2018-12-13T19:38:48","guid":{"rendered":"http:\/\/agora.xtec.cat\/insmartipous\/?p=2818"},"modified":"2018-12-13T22:54:33","modified_gmt":"2018-12-13T21:54:33","slug":"conferencia-de-lastrofisic-ignasi-ribas-a-linstitut-marti-pous","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/insmartipous\/general\/conferencia-de-lastrofisic-ignasi-ribas-a-linstitut-marti-pous\/","title":{"rendered":"Confer\u00e8ncia de l&#8217;astrof\u00edsic Ignasi Ribas a l&#8217;Institut Mart\u00ed Pous"},"content":{"rendered":"<p><a href=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4444.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2821\" src=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4444-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4444-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4444-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4444-768x576.jpg 768w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4444-200x150.jpg 200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>El passat 10 de desembre un grup d&#8217;alumnes de 1r d&#8217;ESO, que estan treballant al projecte &#8220;Estem sols a l&#8217;univers?&#8221;, i tamb\u00e9 els alumnes de 2n d&#8217;ESO, en el marc de l&#8217;\u00e0mbit cientificotecnol\u00f2gic, van tenir la oportunitat d&#8217;assistir a una confer\u00e8ncia d&#8217;Ignasi Ribas, director de l&#8217;Institut d&#8217;Estudis Espacials de Catalunya. Ribas ha liderat un equip internacional d&#8217;investigadors que ha confirmat l&#8217;exist\u00e8ncia d&#8217;un planeta al voltant de l&#8217;estrella Barnard, a 6 anys llum de la Terra.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4442.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-2820 aligncenter\" src=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4442-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4442-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4442-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4442-768x576.jpg 768w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4442-200x150.jpg 200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Aquestes s\u00f3n algunes de les coses que van cridar m\u00e9s l&#8217;atenci\u00f3 dels alumnes de primer:<\/p>\n<ul>\n<li>L&#8217;estel m\u00e9s proper \u00e9s Proxima Centauri.<\/li>\n<li>Plut\u00f3 no \u00e9s un planeta perqu\u00e8 no compleix les tres condicions necess\u00e0ries i, si ho fos, caldria afegir m\u00e9s planetes al sistema solar: Ceres, Haumea, Makemake i Eris.<\/li>\n<li>Els forats negres no s\u00f3n tan perillosos com semblen a les pel\u00b7lis.<\/li>\n<li>L&#8217;univers t\u00e9 mat\u00e8ria finita.<\/li>\n<li>Per trobar exoplanetes hi ha dos m\u00e8todes: un \u00e9s el tr\u00e0nsit i un altre que no he ent\u00e8s.<\/li>\n<li>A mi m&#8217;ha interessat com descobreixen els exoplanetes, el que fan \u00e9s observar una estrella, i per veure si hi ha planetes girant al voltant es pot fer de dos maneres. La que m&#8217;ha impactat m\u00e9s ha sigut que fan servir una m\u00e0quina com la del metge que es fa servir per les pulsacions del cor, i amb aquesta m\u00e0quina calculen la llum de la estrella i si hi ha un moment en el qual baixa una mica la intensitat de la llum es perqu\u00e8 un planeta est\u00e0 passant pel davant.<\/li>\n<li>Per saber si en un planeta hi ha vida, cal veure si hi ha met\u00e0.<\/li>\n<li>Encara no sabem si l&#8217;univers \u00e9s finit o infinit.<\/li>\n<li>Si t&#8217;apropes molt a un forat negre et pot espaguetitzar.<\/li>\n<li id=\"h.p_FxUHmoUY9vxr\" class=\"zfr3Q\">S&#8217;han trobat bacteris i altre \u00e9ssers vius microsc\u00f2pics a Ant\u00e0rtida congelats per\u00f2 encara vius. Aquests bacteris estaven a la terra fa 8 milions d&#8217;anys.<\/li>\n<li id=\"h.p_MC9h0fko9VkB\" class=\"zfr3Q\">Quan un meteorit impacta un planeta rug\u00f3s, algunes pedres i roques d&#8217;aquell planeta surten disparades cap a l&#8217;espai, i si el planeta estava habitat, s&#8217;emportava als bacteris a dintre de les roques. Llavors aquests \u00e9ssers vius arriben amb les roques a planetes acabats de n\u00e9ixer.<\/li>\n<li>Dintre de 5.000.000.000 el Sol s&#8217;apagar\u00e0 i es convertir\u00e0 en una estrella roja, per\u00f2 llavors nosaltres ja haurem marxat en la recerca d&#8217;un nou planeta on viure.<\/li>\n<li>Hi ha molts altres sistemes solars.<\/li>\n<\/ul>\n<p>Els alumnes de segon van poder explicar a l&#8217;Ignasi que havien estudiat el m\u00e8tode de detecci\u00f3 del tr\u00e0nsit i fins i tot n&#8217;havien fet una pr\u00e0ctica.<\/p>\n<p>A m\u00e9s, es van poder fer moltes preguntes, resoldre alguns dubtes sobre l&#8217;univers i copsar la difer\u00e8ncia entre les creences i l&#8217;evid\u00e8ncia cient\u00edfica.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4451.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-2822 aligncenter\" src=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4451-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4451-1024x768.jpg 1024w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4451-300x225.jpg 300w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4451-768x576.jpg 768w, https:\/\/agora.xtec.cat\/insmartipous\/wp-content\/uploads\/usu717\/2018\/12\/IMG_4451-200x150.jpg 200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Ha estat una experi\u00e8ncia molt interessant! Molt\u00edssimes gr\u00e0cies a l&#8217;Ignasi per dedicar-nos el seu valu\u00f3s temps. Qui sap si hem despertat alguna vocaci\u00f3 en el camp de l&#8217;astrof\u00edsica o per la ci\u00e8ncia en general?<\/p>\n<blockquote><p>Si voleu m\u00e9s informaci\u00f3 sobre el treball de l&#8217;Ignasi Ribas:<\/p>\n<p>Not\u00edcia al Telenot\u00edcies vespre del 14 de novembre:<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.ccma.cat\/video\/embed\/5798508\/\" width=\"500px\" height=\"281px\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Not\u00edcia a l&#8217;InfoK del 15 de novembre:<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.ccma.cat\/video\/embed\/super3\/5798777\/\" width=\"500px\" height=\"281px\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Entrevista a l&#8217;Espai de ci\u00e8ncia del programa Els Matins del 15 de novembre:<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.ccma.cat\/video\/embed\/5798611\/\" width=\"500px\" height=\"281px\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>El passat 10 de desembre un grup d&#8217;alumnes de 1r d&#8217;ESO, que estan treballant al projecte &#8220;Estem sols a l&#8217;univers?&#8221;, i tamb\u00e9 els alumnes de 2n d&#8217;ESO, en el marc de l&#8217;\u00e0mbit cientificotecnol\u00f2gic, van tenir la oportunitat d&#8217;assistir a una confer\u00e8ncia d&#8217;Ignasi Ribas, director de l&#8217;Institut d&#8217;Estudis Espacials de Catalunya. &hellip;  <a href=\"https:\/\/agora.xtec.cat\/insmartipous\/general\/conferencia-de-lastrofisic-ignasi-ribas-a-linstitut-marti-pous\/\" title=\"Read Confer\u00e8ncia de l&#8217;astrof\u00edsic Ignasi Ribas a l&#8217;Institut Mart\u00ed Pous\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":3,"featured_media":2822,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2818","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/posts\/2818","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/comments?post=2818"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/posts\/2818\/revisions"}],"predecessor-version":[{"id":2829,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/posts\/2818\/revisions\/2829"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/media\/2822"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/media?parent=2818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/categories?post=2818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/insmartipous\/wp-json\/wp\/v2\/tags?post=2818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}