{"id":6458,"date":"2019-02-23T17:16:21","date_gmt":"2019-02-23T16:16:21","guid":{"rendered":"http:\/\/agora.xtec.cat\/ieslasedeta\/?p=6458"},"modified":"2025-11-06T17:06:57","modified_gmt":"2025-11-06T16:06:57","slug":"la-lluna-lunic-satellit-de-la-terra","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/ieslasedeta\/2018-2019\/la-lluna-lunic-satellit-de-la-terra\/","title":{"rendered":"La lluna, l&#8217;\u00fanic sat\u00e8l\u00b7lit de la Terra"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/02\/Moon_rotating_full_160px.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6939 alignright\" src=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/02\/Moon_rotating_full_160px.gif\" alt=\"\" width=\"160\" height=\"160\" \/><\/a>La Lluna \u00e9s un sat\u00e8l\u00b7lit que orbita al voltant de la Terra a 384400 km d&#8217;ella i a 153444000 km del sol.<\/span><\/p>\n<p><b>Dades hist\u00f2riques<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Es creu que la Lluna es va formar fa uns 4500 milions d&#8217;anys, no gaire m\u00e9s tard que la Terra. S&#8217;han proposat moltes hip\u00f2tesis pel que fa al seu origen: la teoria m\u00e9s acceptada a l&#8217;actualitat \u00e9s que la Lluna \u00e9s un producte de les restes d&#8217;un impacte gegant\u00ed entre la Terra i un cos de la mida de Mart. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Neil Armstrong va ser el primer hum\u00e0 a arribar a la Lluna al 1969 per\u00f2 no ha estat l\u2019\u00fanic: despr\u00e9s d&#8217;ell\u00a0<\/span><span style=\"font-weight: 400;\">Buzz Aldrin,<\/span> <span style=\"font-weight: 400;\">Alan Bean,<\/span> <span style=\"font-weight: 400;\">Eugene Cernan<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Charles Conrad,<\/span> <span style=\"font-weight: 400;\">Harrison H. Schmitt,<\/span> <span style=\"font-weight: 400;\">James Irwin<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Edgar Mitchell,<\/span> <span style=\"font-weight: 400;\">Alan Shepard, John W. Young, Jim Lovell tamb\u00e9 han trepitjat la Lluna.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S&#8217;han plantejat futures missions tripulades a la Lluna, finan\u00e7ades tant per governs com per fons privats, per\u00f2 no hi han cap data fixada per a a la propera.<\/span><\/p>\n<p><b>DADES CIENT\u00cdFIQUES<\/b><\/p>\n<p><span style=\"font-weight: 400;\">La Lluna \u00e9s l&#8217;\u00fanic sat\u00e8l\u00b7lit natural de la Terra. Encara que no \u00e9s el sat\u00e8l\u00b7lit m\u00e9s gran del sistema solar, t\u00e9 3474 km de di\u00e0metre, \u00e9s el m\u00e9s gra<\/span><span style=\"font-weight: 400;\">n en proporci\u00f3 al planeta al voltant del qual orbita.<\/span><\/p>\n<p>Des de la Terra sempre es veu la mateixa cara de la Lluna perqu\u00e8 els seus per\u00edodes de rotaci\u00f3 (sobre s\u00ed mateixa) i translaci\u00f3 (al voltant de la Terra) s\u00f3n iguals: aproximadament 28 dies.<\/p>\n<p><span style=\"font-weight: 400;\">Quan mirem a la Lluna distingim unes taques fosques que reben el nom de cr\u00e0ters, mars i valls. A<\/span><span style=\"font-weight: 400;\">\u00a0la Lluna hi han molts cr\u00e0ters per\u00f2 la Terra tamb\u00e9 t\u00e9 molts impactes. Les difer\u00e8ncies s\u00f3n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Els meteorits petits no arriben a la Terra perqu\u00e8 hi ha atmosfera i es desintegra.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A la Terra els cr\u00e0ter s&#8217;acaben borran pel clima. <\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">La Lluna, desde l\u2019hemisferi sud, es veu del rev\u00e9s.La Lluna no t\u00e9 vespres.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">No hi ha cel a la lluna.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> \u00a0<strong><span style=\"font-size: 14pt;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a06.948 km\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a00,56 cm <\/span><\/strong><\/span><\/p>\n<p><b><a href=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/lluna.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6444\" src=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/lluna.jpg\" alt=\"\" width=\"249\" height=\"179\" \/>\u00a0\u00a0\u00a0<\/a><span style=\"font-size: 36pt;\">=\u00a0<\/span><a href=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/ratoli-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6449\" src=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/ratoli-1-839x1024.jpg\" alt=\"\" width=\"146\" height=\"178\" srcset=\"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/ratoli-1-839x1024.jpg 839w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/ratoli-1-246x300.jpg 246w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/ratoli-1-768x938.jpg 768w, https:\/\/agora.xtec.cat\/ieslasedeta\/wp-content\/uploads\/usu656\/2019\/01\/ratoli-1.jpg 1895w\" sizes=\"auto, (max-width: 146px) 100vw, 146px\" \/><\/a><\/b><\/p>\n<p><span style=\"font-weight: 400;\">La mesura real de la Lluna \u00e9s el mateix pero a l\u2019escala t\u00e9 l&#8217;amplada que el roda del ratol\u00ed.<\/span><\/p>\n<p><a href=\"https:\/\/soundcloud.com\/user-95063547\/la-lluna-catala\/s-SOalt\"><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-95063547\/la-lluna-catala\/s-SOalt\">\u00c0UDIO EN CATAL\u00c0<\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/soundcloud.com\/user-95063547\/la-luna-catella\/s-GimMe\"><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-95063547\/la-luna-catella\/s-GimMe\">AUDIO EN CASTELL\u00c0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La Lluna \u00e9s un sat\u00e8l\u00b7lit que orbita al voltant de la Terra a 384400 km d&#8217;ella i a 153444000 km del sol. Dades hist\u00f2riques Es creu que la Lluna es va formar fa uns 4500 milions d&#8217;anys, no gaire m\u00e9s tard que la Terra. S&#8217;han proposat moltes hip\u00f2tesis pel que fa al seu origen: la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6939,"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-6458","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\/6458","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=6458"}],"version-history":[{"count":4,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/posts\/6458\/revisions"}],"predecessor-version":[{"id":6940,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/posts\/6458\/revisions\/6940"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/media\/6939"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/media?parent=6458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/categories?post=6458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/ieslasedeta\/wp-json\/wp\/v2\/tags?post=6458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}