{"id":856,"date":"2023-02-18T22:46:32","date_gmt":"2023-02-18T20:46:32","guid":{"rendered":"http:\/\/www.cosmoespai.com\/cat\/?p=856"},"modified":"2023-02-18T22:46:32","modified_gmt":"2023-02-18T20:46:32","slug":"on-es-dirigeixen-les-sondes-voyager","status":"publish","type":"post","link":"https:\/\/www.cosmoespai.com\/cat\/on-es-dirigeixen-les-sondes-voyager\/","title":{"rendered":"On es dirigeixen les sondes Voyager?"},"content":{"rendered":"\n<p class=\"has-text-align-justify\">Fa uns 10 anys, la sonda Voyager 1, llan\u00e7ada al setembre de 1977, va entrar a l\u2019espai interestel\u00b7lar, \u00e9s a dir, va <strong>sortir del sistema solar<\/strong>. Actualment, aquesta sonda \u00e9s l\u2019objecte fabricat pels \u00e9ssers humans m\u00e9s lluny\u00e0 de la Terra, a unes 160 UA (unitats astron\u00f2miques) d\u2019aquesta.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><em><u><strong>La propera destinaci\u00f3 de la Voyager 1<\/strong><\/u><\/em><\/h4>\n\n\n\n<p class=\"has-text-align-justify\">La Voyager 1 s\u2019allunya del sistema solar a una velocitat aproximada de 3,5 UA per any, en direcci\u00f3 a la constel\u00b7laci\u00f3 d\u2019Ophiuchus. S\u2019estima que d\u2019aqu\u00ed a uns 40.000 anys la sonda passar\u00e0 a 1,7 anys llum d\u2019una estrella anomenada AC+79 3888, situada a 17,6 anys llum de la Terra.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Despr\u00e9s d\u2019aquesta aproximaci\u00f3 a l\u2019esmentada estrella, la Voyager 1 continuar\u00e0 el seu cam\u00ed, orbitant el centre de la Via L\u00e0ctia.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><em><u><strong>El cas de la Voyager 2<\/strong><\/u><\/em><\/h4>\n\n\n\n<p class=\"has-text-align-justify\">D\u2019altra banda, la Voyager 2 s\u2019allunya de nosaltres a una velocitat de 3,1 UA cada any, amb direcci\u00f3 a la constel\u00b7laci\u00f3 de Sagitari. La Voyager 2 passar\u00e0 d\u2019aqu\u00ed uns 40.000 anys a una dist\u00e0ncia aproximada d\u2019 1,7 anys llum de Ross 248, una petita estrella que pertany a la constel\u00b7laci\u00f3 d\u2019Andr\u00f2meda.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>Entrades Similars:<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quan-tardariem-en-arribar-a-lestrella-mes-propera\/\">Quan tardar\u00edem en arribar a l\u2019estrella m\u00e9s propera?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/on-se-situa-el-limit-del-sistema-solar\/\">On se situa el l\u00edmit del sistema solar?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/els-anells-de-saturn-la-seva-composicio-i-exploracio\/\">Els anells de Saturn, la seva composici\u00f3 i exploraci\u00f3<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/on-va-tenir-lloc-el-big-bang\/\">On va tenir lloc el Big Bang?<\/a><\/p>\n\n\n\n<p><strong>Entrades Populars:<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/perque-la-lluna-nomes-ens-ensenya-una-cara\/\">Perqu\u00e8 la Lluna nom\u00e9s ens ensenya una cara?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/stephenson-2-18-lestrella-mes-gran-coneguda-a-lunivers\/\">Stephenson 2-18, l\u2019estrella m\u00e9s gran coneguda a l\u2019univers<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/lexplotacio-minera-al-cinturo-dasteroides-una-font-de-recursos\/\">L\u2019explotaci\u00f3 minera al cintur\u00f3 d\u2019asteroides, una font de recursos<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/la-brossa-espacial-un-gran-problema\/\">La brossa espacial, un gran problema<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/com-es-van-extingir-els-dinosaures\/\">Com es van extingir els dinosaures?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/que-passaria-si-la-terra-deixes-de-rotar\/\">Qu\u00e8 passaria si la Terra deix\u00e9s de rotar?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/la-missio-a-venus-de-la-sonda-venus-express-per-la-esa\/\">La missi\u00f3 a Venus de la sonda Venus Express per la ESA<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quins-son-els-requisits-per-a-ser-un-planeta\/\">Quins s\u00f3n els requisits per a ser un planeta?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/perque-no-es-poden-sentir-sons-a-lespai\/\">Perqu\u00e8 no es poden sentir sons a l\u2019espai?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quina-mida-i-forma-tindrien-els-extraterrestres\/\">Quina mida i forma tindrien els extraterrestres?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/les-unitats-de-mesura-que-fem-servir-en-astronomia\/\">Les unitats de mesura que fem servir en astronomia<\/a><\/p>\n\n\n\n<p><strong>Entrades Recents:<\/strong><\/p>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/com-viatjar-al-futur-sense-violar-les-lleis-de-la-fisica\/\">Com Viatjar al Futur Sense Violar les Lleis de la F\u00edsica<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/que-es-la-gravetat\/\">Qu\u00e8 \u00e9s la gravetat?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/per-que-hi-ha-mes-materia-que-antimateria-a-lunivers\/\">Per qu\u00e8 hi ha m\u00e9s mat\u00e8ria que antimat\u00e8ria a l\u2019univers?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/que-es-lantimateria\/\">Qu\u00e8 \u00e9s l\u2019antimat\u00e8ria?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/per-que-els-centres-de-les-galaxies-contenen-forats-negres\/\">Per qu\u00e8 els centres de les gal\u00e0xies contenen forats negres?<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Fa uns 10 anys, la sonda Voyager 1, llan\u00e7ada al setembre de 1977, va entrar a l\u2019espai interestel\u00b7lar, \u00e9s a dir, va sortir del sistema<span class=\"read-more-link\"><a class=\"read-more\" href=\"https:\/\/www.cosmoespai.com\/cat\/on-es-dirigeixen-les-sondes-voyager\/\">Continuar llegint<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":859,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[1],"tags":[701,702,551,705,584,703,704],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/02\/Direccio_SondesVoyager.jpg?fit=720%2C405","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":293,"url":"https:\/\/www.cosmoespai.com\/cat\/les-unitats-de-mesura-que-fem-servir-en-astronomia\/","url_meta":{"origin":856,"position":0},"title":"Les unitats de mesura que fem servir en astronomia","author":"Ferran","date":"2 d'abril de 2021","format":false,"excerpt":"Les dist\u00e0ncies a l\u2019univers s\u00f3n tan grans, que ni tan sols les mesures m\u00e9s grans que utilitzem al Sistema Internacional, ens serveixen per a poder expressar les dist\u00e0ncies amb n\u00fameros que siguin raonablement manejables. Per poder fer-nos una idea d\u2019aquestes enormes dist\u00e0ncies hem de rec\u00f3rrer a noves mesures. L\u2019espai \u00e9s\u2026","rel":"","context":"A &quot;Univers&quot;","block_context":{"text":"Univers","link":"https:\/\/www.cosmoespai.com\/cat\/category\/univers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/03\/Dist\u00e0ncies_Univers.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/03\/Dist\u00e0ncies_Univers.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/03\/Dist\u00e0ncies_Univers.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/03\/Dist\u00e0ncies_Univers.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":763,"url":"https:\/\/www.cosmoespai.com\/cat\/quan-tardariem-en-arribar-a-lestrella-mes-propera\/","url_meta":{"origin":856,"position":1},"title":"Quan tardar\u00edem en arribar a l\u2019estrella m\u00e9s propera?","author":"Ferran","date":"15 d'octubre de 2022","format":false,"excerpt":"Deixant de banda el Sol, l\u2019estrella m\u00e9s propera a la Terra \u00e9s Proxima Centauri. Aquesta estrella pertany a un sistema estel\u00b7lar anomenat Alfa Centauri, format per 3 estrelles que orbiten les unes al voltant de les altres. De totes elles, Proxima Centauri \u00e9s la m\u00e9s propera a la Terra, a\u2026","rel":"","context":"A &quot;Estrelles&quot;","block_context":{"text":"Estrelles","link":"https:\/\/www.cosmoespai.com\/cat\/category\/estrelles\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/10\/Viatjar_EstrellaPropera.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/10\/Viatjar_EstrellaPropera.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/10\/Viatjar_EstrellaPropera.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/10\/Viatjar_EstrellaPropera.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":647,"url":"https:\/\/www.cosmoespai.com\/cat\/on-se-situa-el-limit-del-sistema-solar\/","url_meta":{"origin":856,"position":2},"title":"On se situa el l\u00edmit del sistema solar?","author":"Ferran","date":"10 de juny de 2022","format":false,"excerpt":"El nostre sistema solar est\u00e0 compost pel Sol, 8 planetes que l\u2019orbiten, molts m\u00e9s planetes nans, i dos cinturons d\u2019asteroides. Com passa amb moltes preguntes en l\u2019\u00e0mbit de la ci\u00e8ncia, la resposta \u00e9s m\u00e9s complicada del que sembla, i no sempre hi ha una resposta \u00fanica. M\u00e9s enll\u00e0 de la\u2026","rel":"","context":"A &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/www.cosmoespai.com\/cat\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/06\/Final_SistemaSolar.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/06\/Final_SistemaSolar.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/06\/Final_SistemaSolar.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/06\/Final_SistemaSolar.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":965,"url":"https:\/\/www.cosmoespai.com\/cat\/com-viatjar-al-futur-sense-violar-les-lleis-de-la-fisica\/","url_meta":{"origin":856,"position":3},"title":"Com Viatjar al Futur Sense Violar les Lleis de la F\u00edsica","author":"Ferran","date":"14 de setembre de 2023","format":false,"excerpt":"La veritat \u00e9s que tots estem viatjant en el temps a cada instant! I ho fem a un ritme constant de 1 segon per segon. En un primer moment podr\u00edeu pensar que aix\u00f2 \u00e9s totalment diferent que viatjar a trav\u00e9s d\u2019una de les tres dimensions espacials a, per exemple, un\u2026","rel":"","context":"A &quot;Univers&quot;","block_context":{"text":"Univers","link":"https:\/\/www.cosmoespai.com\/cat\/category\/univers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/09\/ViatgesTemps_Futur.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/09\/ViatgesTemps_Futur.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/09\/ViatgesTemps_Futur.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/09\/ViatgesTemps_Futur.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":866,"url":"https:\/\/www.cosmoespai.com\/cat\/la-velocitat-de-la-llum-per-definir-unitats-de-mesura\/","url_meta":{"origin":856,"position":4},"title":"La velocitat de la llum per definir unitats de mesura","author":"Ferran","date":"6 de mar\u00e7 de 2023","format":false,"excerpt":"Sabem exactament quina \u00e9s la velocitat de la llum: c = 299.792.458 m\/s, que sempre es refereix a la velocitat de la llum en el buit. I aquest nombre \u00e9s 100% exacte, havent estat incl\u00f2s a l\u2019octubre de 1983 com una constant al Sistema Internacional d\u2019Unitats, el que va fer\u2026","rel":"","context":"A &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/www.cosmoespai.com\/cat\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/03\/Mesurar_VelocitatLlum.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/03\/Mesurar_VelocitatLlum.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/03\/Mesurar_VelocitatLlum.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/03\/Mesurar_VelocitatLlum.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":367,"url":"https:\/\/www.cosmoespai.com\/cat\/la-llum-tarda-uns-170-000-anys-en-escapar-del-sol\/","url_meta":{"origin":856,"position":5},"title":"La llum tarda uns 170 000 anys en escapar del Sol","author":"Ferran","date":"4 de juny de 2021","format":false,"excerpt":"A causa de l\u2019enorme gravetat que hi ha al nucli del Sol, aquest aconsegueix fusionar \u00e0toms d\u2019hidrogen, creant, com a resultat, heli. Aix\u00f2 es denomina fusi\u00f3 nuclear. En el proc\u00e9s, les fusions d\u2019\u00e0toms produeixen una gran quantitat d\u2019energia, \u00e9s a dir, de llum, inicialment en l\u2019estat m\u00e9s energ\u00e8tic de tots:\u2026","rel":"","context":"A &quot;Estrelles&quot;","block_context":{"text":"Estrelles","link":"https:\/\/www.cosmoespai.com\/cat\/category\/estrelles\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/06\/Llum_Sortir_Sol.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/06\/Llum_Sortir_Sol.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/06\/Llum_Sortir_Sol.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/06\/Llum_Sortir_Sol.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts\/856"}],"collection":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/comments?post=856"}],"version-history":[{"count":3,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts\/856\/revisions"}],"predecessor-version":[{"id":860,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts\/856\/revisions\/860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/media\/859"}],"wp:attachment":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/media?parent=856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/categories?post=856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/tags?post=856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}