{"id":6234,"date":"2019-01-21T10:26:29","date_gmt":"2019-01-21T09:26:29","guid":{"rendered":"http:\/\/agora.xtec.cat\/ieslasedeta\/?p=6234"},"modified":"2025-11-06T17:08:40","modified_gmt":"2025-11-06T16:08:40","slug":"cinturo-dasteroides","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ieslasedeta\/2018-2019\/cinturo-dasteroides\/","title":{"rendered":"Cintur\u00f3 d&#8217;asteroides"},"content":{"rendered":"<p><strong>Quants asteroides hi deu haver en aquesta maravella?<\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/cinturo-dasteroides.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-6419 size-full\" src=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/cinturo-dasteroides.png\" alt=\"\" width=\"220\" height=\"220\" srcset=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/cinturo-dasteroides.png 220w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/cinturo-dasteroides-150x150.png 150w\" sizes=\"auto, (max-width: 220px) 100vw, 220px\" \/><\/a>Gr\u00e0cies als telescopis, cada cop m\u00e9s potents, a partir del 8 de desembre del 1845 van comen\u00e7ar a descobrir-se multitud d\u2019asteroides entre les \u00f2rbites de Mart i Jupiter fins al punt que cap a la d\u00e8cada de 1850 ja se n&#8217;havien descobert m\u00e9s d&#8217;una desena d&#8217;asteroides al cintur\u00f3 i a<\/span><span style=\"font-weight: 400;\">ctualment ja es comptabilitzen prop de <strong>293.000. <\/strong>Malgrat aquest n\u00famero, el cintur\u00f3 d&#8217;asteroides\u00a0est\u00e0 gaireb\u00e9 buit ja que \u00e9s molt gran.<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">La seva massa total \u00e9s de 2,3\u00b710<sup>21<\/sup> kg, el que \u00e9s igual a nom\u00e9s 0,031 vegades la massa de la Lluna.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ceres \u00e9s un dels asteroides m\u00e9s grans del cintur\u00f3 i es considera un planeta nan. \u00c9s anomenat aix\u00ed gr\u00e0cies a la deessa romana de l&#8217;agricultura. Va ser descobert l&#8217;1de gener de 1801 per <strong>Giuseppe Piazzi.<\/strong>\u00a0Originalment va ser considerat un planeta, per\u00f2 es va catalogar com asteroide en els anys 1850 quan es van comen\u00e7ar a descobrir altres objectes en \u00f2rbites similars. <\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-weight: 400;\">Cinturons d&#8217;asteroides com el del del nostre sistema solar han aparegut repetidament en les hist\u00f2ries de ci\u00e8ncia-ficci\u00f3, tant en la literatura com en el cine&#8230;<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/strong><\/p>\n<p><a href=\"https:\/\/soundcloud.com\/user-25152550\/cinturo-dasteroides\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6894 alignleft\" src=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19.png\" alt=\"\" width=\"75\" height=\"75\" srcset=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19.png 512w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19-150x150.png 150w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19-300x300.png 300w\" sizes=\"auto, (max-width: 75px) 100vw, 75px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/soundcloud.com\/user-25152550\/cinturo-dasteroides\">\u00c0udio (CATAL\u00c0)<\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/soundcloud.com\/user-25152550\/cinturo-dasteroides-1\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6894 alignleft\" src=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19.png\" alt=\"\" width=\"75\" height=\"75\" srcset=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19.png 512w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19-150x150.png 150w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/audio19-300x300.png 300w\" sizes=\"auto, (max-width: 75px) 100vw, 75px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/soundcloud.com\/user-25152550\/cinturo-dasteroides-1\">Audio (CASTELLANO<\/a><a href=\"https:\/\/soundcloud.com\/user-25152550\/cinturo-dasteroides-1\">)<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quants asteroides hi deu haver en aquesta maravella? Gr\u00e0cies als telescopis, cada cop m\u00e9s potents, a partir del 8 de desembre del 1845 van comen\u00e7ar a descobrir-se multitud d\u2019asteroides entre les \u00f2rbites de Mart i Jupiter fins al punt que cap a la d\u00e8cada de 1850 ja se n&#8217;havien descobert m\u00e9s d&#8217;una desena d&#8217;asteroides al [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6419,"comment_status":"open","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,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[165],"tags":[],"class_list":["post-6234","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2018-2019"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/posts\/6234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/comments?post=6234"}],"version-history":[{"count":4,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/posts\/6234\/revisions"}],"predecessor-version":[{"id":6895,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/posts\/6234\/revisions\/6895"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/media\/6419"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/media?parent=6234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/categories?post=6234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/tags?post=6234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}