{"id":17475,"date":"2023-03-24T08:40:58","date_gmt":"2023-03-24T07:40:58","guid":{"rendered":"https:\/\/agora.xtec.cat\/inslacetania\/?p=17475"},"modified":"2023-03-24T08:40:58","modified_gmt":"2023-03-24T07:40:58","slug":"el-dia-del-llancament","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/inslacetania\/general\/el-dia-del-llancament\/","title":{"rendered":"EL DIA DEL LLAN\u00c7AMENT"},"content":{"rendered":"<p>Estic segur que tots els operaris que van participiar en la creaci\u00f3 de James webb estaven molt nerviosos el dia 25 de desembre del 2021, llen\u00e7ant a les immenses i temibles profunditats del cosmos un telescopi espacial de m\u00e9s tamany que un cami\u00f3 amb un cost aproximat de 10 mil milions de d\u00f2lars i 20 anys de preparaci\u00f3 sota les seves llargues peces met\u00e0l\u00b7liques.<\/p>\n<p>La complexitat que coportava el fet de construir alguna cosa aix\u00ed ja era quasi inimaginable, per\u00f2, una de les coses m\u00e9s perilloses va ser haver-lo d&#8217;enviar a l&#8217;espai (degut a la seva magnitud) el sol fet de col\u00b7locar-lo dins del complex mecasime d&#8217;un coet ja comportava moltes inc\u00f2gnites. Al final van haver de dissenyar-lo de manera que es plegu\u00e9s sobre si mateix i quan fos a l&#8217;espai es desplegu\u00e9s.<\/p>\n<p><iframe loading=\"lazy\" title=\"Secuencia de despliegue del telescopio espacial James Webb\" frameborder=\"0\" width=\"500\" height=\"281\" src=\"https:\/\/geo.dailymotion.com\/player.html?video=x86ej59&#038;\" allowfullscreen allow=\"autoplay; fullscreen; picture-in-picture; web-share\"><\/iframe><\/p>\n<p><strong>Degut al seu tamany James Webb es va haver de plegar com un tros de paper, i ser desplegat al moment en qu\u00e8 es va llan\u00e7ar del coet a l&#8217;espai.\u00a0 Va tardar 12 dies a acabar-se de desplegar, per\u00f2 llavors, va tardar 17 dies m\u00e9s a preparar-se fins que els t\u00e8cnics responsables de la NASA van donar-li ordres de comen\u00e7ar la seva missi\u00f3.\u00a0<\/strong><\/p>\n<p>La seva missi\u00f3 consisteix a estar entre 5\/10 anys observant i fotografiant les gal\u00e0xies que es van crear en els inicis del cosmos, estudiar-les, analitzar estrelles i sistemes solars i estudiar els sistemes planetaris i els origens de la vida. Com a feina espec\u00edfica t\u00e9 la d&#8217;estudiar b\u00e9 l&#8217;estrella \u00a0KIC 8462852 la qual demostra unes anomalies en la corba de la llum.<\/p>\n<p>Aqu\u00ed tenim algunes de les seves fotografies.<\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-17537\" src=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa-1024x576.jpeg\" alt=\"\" width=\"1024\" height=\"576\" srcset=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa-1024x576.jpeg 1024w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa-300x169.jpeg 300w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa-768x432.jpeg 768w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa-1536x864.jpeg 1536w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/baixa.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-17538\" src=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb-1024x576.jpg\" alt=\"\" width=\"1024\" height=\"576\" srcset=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb-1024x576.jpg 1024w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb-300x169.jpg 300w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb-768x432.jpg 768w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb-1536x864.jpg 1536w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2023\/03\/main_image_deep_field_smacs0723-5mb.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Estic segur que tots els operaris que van participiar en la creaci\u00f3 de James webb estaven molt nerviosos el dia 25 de desembre del 2021, llen\u00e7ant a les immenses i temibles profunditats del cosmos un telescopi espacial de m\u00e9s tamany que un cami\u00f3 amb un cost aproximat de 10 mil milions de d\u00f2lars i 20 [&hellip;]<\/p>\n","protected":false},"author":1019,"featured_media":17663,"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,"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 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