{"id":498757,"date":"2025-04-18T13:37:32","date_gmt":"2025-04-18T11:37:32","guid":{"rendered":"https:\/\/osr.org\/?p=498757"},"modified":"2025-04-07T15:40:19","modified_gmt":"2025-04-07T13:40:19","slug":"les-planetes-et-leurs-positions","status":"publish","type":"post","link":"https:\/\/osr.org\/fr\/blog\/astronomie\/les-planetes-et-leurs-positions\/","title":{"rendered":"Les plan\u00e8tes et leurs positions"},"content":{"rendered":"<p data-dl-uid=\"37\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"38\" data-dl-original=\"true\" data-dl-translated=\"true\">Voici une liste des plan\u00e8tes du syst\u00e8me solaire dans l\u2019ordre de leur distance au Soleil, avec quelques-unes de leurs principales caract\u00e9ristiques:<\/span>.<\/p>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485861 aligncenter\" title=\"pianeta mercurio\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-mercurio-300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-mercurio-300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-mercurio-480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-mercurio.png 512w\" alt=\"pianeta mercurio\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3 data-dl-uid=\"42\" data-dl-original=\"true\" data-dl-translated=\"true\"><a href=\"https:\/\/osr.org\/it\/blog\/astronomia\/conoscere-i-pianeti-alla-scoperta-di-mercurio\/\" data-dl-uid=\"43\" data-dl-original=\"true\" data-dl-translated=\"true\">Mercure<\/a><\/h3>\n<ul>\n<li data-dl-uid=\"44\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"45\" data-dl-original=\"true\" data-dl-translated=\"true\">C\u2019est la plan\u00e8te la plus proche du Soleil et la plus petite du syst\u00e8me solaire, avec un rayon d\u2019environ 2 440 km.<\/span><\/li>\n<li data-dl-uid=\"46\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"47\" data-dl-original=\"true\" data-dl-translated=\"true\">Elle effectue une orbite autour du Soleil en 88 jours terrestres.<\/span><\/li>\n<li data-dl-uid=\"48\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"49\" data-dl-original=\"true\" data-dl-translated=\"true\">Sa temp\u00e9rature de surface varie entre -180\u00b0C et 430\u00b0C.<\/span><\/li>\n<li>La sua atmosfera \u00e8 estremamente sottile, composta principalmente da ossigeno, sodio e idrogeno.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485840 aligncenter\" title=\"pianeta venere\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-venere-300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-venere-300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-venere-480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-venere.png 512w\" alt=\"pianeta venere\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3><a href=\"https:\/\/osr.org\/it\/blog\/osr-it\/pianeta-venere\/\">Venere<\/a><\/h3>\n<ul>\n<li>Simile per dimensioni alla Terra, ha un raggio di circa 6.052 km.<\/li>\n<li>La sua atmosfera \u00e8 ricca di anidride carbonica e nuvole di acido solforico, rendendo il pianeta il pi\u00f9 caldo del Sistema Solare con temperature superiori ai 460\u00b0C.<\/li>\n<li>Ruota molto lentamente e in senso opposto rispetto agli altri pianeti, impiegando 243 giorni terrestri per completare una rotazione su se stesso.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485819 aligncenter\" title=\"pianeta terra\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-terra--300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-terra--300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-terra--480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-terra-.png 512w\" alt=\"pianeta terra\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3><a href=\"https:\/\/osr.org\/it\/blog\/astronomia\/come-si-creo-la-terra\/\"><b>Terra<\/b><\/a><\/h3>\n<ul>\n<li>Il nostro pianeta, con un raggio di circa 6.371 km, \u00e8 l&rsquo;unico noto per ospitare la vita.<\/li>\n<li>Circa il 70% della sua superficie \u00e8 coperto da acqua, essenziale per la vita.<\/li>\n<li>Ha un&rsquo;atmosfera composta principalmente da azoto (78%) e ossigeno (21%), che permette la respirazione degli esseri viventi.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485798 aligncenter\" title=\"pianeta marte\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-marte--300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-marte--300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-marte--480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-marte-.png 512w\" alt=\"pianeta marte\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3><a href=\"https:\/\/osr.org\/it\/blog\/astronomia\/vita-su-marte\/\">Marte<\/a><\/h3>\n<ul>\n<li>Conosciuto come il \u00ab\u00a0Pianeta Rosso\u00a0\u00bb a causa del suo suolo ricco di ossido di ferro.<\/li>\n<li>Ha un raggio di circa 3.390 km.<\/li>\n<li>Possiede la montagna pi\u00f9 alta del Sistema Solare, Olympus Mons, e il canyon pi\u00f9 lungo, Valles Marineris.<\/li>\n<li>Si ritiene che in passato abbia avuto acqua liquida sulla sua superficie.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485777 aligncenter\" title=\"pianeta giove\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-giove-300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-giove-300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-giove-480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-giove.png 512w\" alt=\"pianeta giove\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3>Giove<\/h3>\n<ul>\n<li>Il pianeta pi\u00f9 grande del Sistema Solare, con un raggio di circa 69.911 km.<\/li>\n<li>\u00c8 un gigante gassoso composto principalmente da idrogeno ed elio.<\/li>\n<li>Possiede la Grande Macchia Rossa, una tempesta persistente che dura da secoli.<\/li>\n<li>Ha oltre 90 lune conosciute, tra cui Ganimede, la pi\u00f9 grande luna del Sistema Solare.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485756 aligncenter\" title=\"pianeta saturno\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-saturno-300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-saturno-300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-saturno-480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-saturno.png 512w\" alt=\"pianeta saturno\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3><a href=\"https:\/\/osr.org\/it\/blog\/astronomia\/saturno-evento-da-non-perdere-estate\/\"><b>Saturno<\/b><\/a><\/h3>\n<ul>\n<li>Riconoscibile per i suoi spettacolari\u00a0<a href=\"https:\/\/osr.org\/it\/blog\/astronomia\/chinone-mitologia-astronomia-pianeta-con-anelli-come-saturno\/\">anelli<\/a>\u00a0composti da ghiaccio e rocce.<\/li>\n<li>Ha un raggio di circa 58.232 km ed \u00e8 un gigante gassoso.<\/li>\n<li>Possiede pi\u00f9 di 80 lune, tra cui Titano, che ha un&rsquo;atmosfera densa e laghi di metano liquido.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485735 aligncenter\" title=\"pianeta urano\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-urano-300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-urano-300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-urano-480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-urano.png 512w\" alt=\"pianeta urano\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3><a href=\"https:\/\/osr.org\/it\/blog\/notizie\/scoperto-nuovo-gigante-di-ghiaccio-simile-a-urano-e-nettuno\/\">Urano<\/a><\/h3>\n<ul>\n<li>Un gigante ghiacciato con un raggio di circa 25.362 km.<\/li>\n<li>Ha un asse di rotazione inclinato di oltre 90 gradi, causando una rotazione \u00ab\u00a0laterale\u00a0\u00bb.<\/li>\n<li>\u00c8 composto principalmente da idrogeno, elio e metano, che gli conferisce il caratteristico colore blu-verde.<\/li>\n<\/ul>\n<h3><b><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-485714 aligncenter\" title=\"pianeta nettuno\" src=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-nettuno-300x300.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-nettuno-300x300.png 300w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-nettuno-480x480.png 480w, https:\/\/osr.org\/wp-content\/uploads\/2025\/02\/pianeta-nettuno.png 512w\" alt=\"pianeta nettuno\" width=\"300\" height=\"300\" \/><\/b><\/h3>\n<h3 data-dl-uid=\"119\" data-dl-original=\"true\" data-dl-translated=\"true\">Neptune<\/h3>\n<ul>\n<li data-dl-uid=\"120\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"121\" data-dl-original=\"true\" data-dl-translated=\"true\">Similaire \u00e0 Uranus, elle a un rayon d\u2019environ 24 622 km.<\/span><\/li>\n<li data-dl-uid=\"122\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"123\" data-dl-original=\"true\" data-dl-translated=\"true\">Elle est connue pour ses vents violents et la pr\u00e9sence de la Grande Tache sombre, une temp\u00eate similaire \u00e0 la Grande Tache rouge de Jupiter.<\/span><\/li>\n<li data-dl-uid=\"124\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"125\" data-dl-original=\"true\" data-dl-translated=\"true\">Elle poss\u00e8de un syst\u00e8me d\u2019anneaux fins et plusieurs lunes, dont Triton, qui orbite dans le sens inverse de la rotation de la plan\u00e8te.<\/span><\/li>\n<\/ul>\n<h2 data-dl-uid=\"126\" data-dl-original=\"true\" data-dl-translated=\"true\">Positions actuelles des plan\u00e8tes<\/h2>\n<h3 data-dl-uid=\"127\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"128\" data-dl-original=\"true\" data-dl-translated=\"true\">Comment voir la position des plan\u00e8tes<\/span>\u00a0?<\/h3>\n<p data-dl-uid=\"129\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"130\" data-dl-original=\"true\" data-dl-translated=\"true\">Pour visualiser la Lune, Mars et les autres plan\u00e8tes,<\/span><span data-dl-uid=\"131\" data-dl-original=\"true\" data-dl-translated=\"true\">voyez Google Maps dans l\u2019espace<\/span><span data-dl-uid=\"132\" data-dl-original=\"true\" data-dl-translated=\"true\">. Important : pour que Google Maps dans l\u2019espace fonctionne, activez la vue du globe. Dans Google Maps in space, vous pouvez afficher diff\u00e9rents corps c\u00e9lestes, tels que la station spatiale internationale, des plan\u00e8tes ou la lune.<\/span><\/p>\n<p data-dl-uid=\"133\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"134\" data-dl-original=\"true\" data-dl-translated=\"true\">Ou vous pouvez utiliser des sites d\u2019astrophysique comme Astro.com<\/span><span data-dl-uid=\"135\" data-dl-original=\"true\" data-dl-translated=\"true\"><br data-dl-uid=\"136\" data-dl-original=\"true\" data-dl-translated=\"true\" \/><\/span><span data-dl-uid=\"137\" data-dl-original=\"true\" data-dl-translated=\"true\"><br data-dl-uid=\"138\" data-dl-original=\"true\" data-dl-translated=\"true\" \/><\/span><span data-dl-uid=\"139\" data-dl-original=\"true\" data-dl-translated=\"true\">Combien de temps les plan\u00e8tes mettent-elles \u00e0 tourner autour du Soleil ?<\/span><\/p>\n<p data-dl-uid=\"140\" data-dl-original=\"true\" data-dl-translated=\"true\"><span data-dl-uid=\"141\" data-dl-original=\"true\" data-dl-translated=\"true\">Chaque plan\u00e8te a une p\u00e9riode orbitale diff\u00e9rente autour du Soleil, en fonction de sa distance. Voici le temps n\u00e9cessaire \u00e0 chaque plan\u00e8te pour compl\u00e9ter une orbite:<\/span>.<\/p>\n<ul>\n<li data-dl-uid=\"142\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"143\" data-dl-original=\"true\" data-dl-translated=\"true\">Mercure<\/b><span data-dl-uid=\"144\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 88 jours<\/span><\/li>\n<li data-dl-uid=\"145\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"146\" data-dl-original=\"true\" data-dl-translated=\"true\">Venus<\/b><span data-dl-uid=\"147\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 225 jours<\/span><\/li>\n<li data-dl-uid=\"148\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"149\" data-dl-original=\"true\" data-dl-translated=\"true\">Terre<\/b><span data-dl-uid=\"150\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 365,25 jours<\/span><\/li>\n<li data-dl-uid=\"151\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"152\" data-dl-original=\"true\" data-dl-translated=\"true\">Mars<\/b><span data-dl-uid=\"153\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 687 jours<\/span><\/li>\n<li data-dl-uid=\"154\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"155\" data-dl-original=\"true\" data-dl-translated=\"true\">Juin<\/b><span data-dl-uid=\"156\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 11,86 ann\u00e9es<\/span><\/li>\n<li data-dl-uid=\"157\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"158\" data-dl-original=\"true\" data-dl-translated=\"true\">Saturne<\/b><span data-dl-uid=\"159\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 29.46 ans<\/span><\/li>\n<li data-dl-uid=\"160\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"161\" data-dl-original=\"true\" data-dl-translated=\"true\">Uranus<\/b><span data-dl-uid=\"162\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 84 ans<\/span><\/li>\n<li data-dl-uid=\"163\" data-dl-original=\"true\" data-dl-translated=\"true\"><b data-dl-uid=\"164\" data-dl-original=\"true\" data-dl-translated=\"true\">Neptune<\/b><span data-dl-uid=\"165\" data-dl-original=\"true\" data-dl-translated=\"true\">\u00a0: 164,8 ann\u00e9es<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Voici une liste des plan\u00e8tes du syst\u00e8me solaire dans l\u2019ordre de leur distance au Soleil, avec quelques-unes de leurs principales caract\u00e9ristiques:. Mercure C\u2019est la plan\u00e8te la plus proche du Soleil et la plus petite du syst\u00e8me solaire, avec un rayon d\u2019environ 2 440 km. Elle effectue une orbite autour du Soleil en 88 jours terrestres. [&hellip;]<\/p>\n","protected":false},"author":60,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[315],"tags":[],"class_list":["post-498757","post","type-post","status-publish","format-standard","hentry","category-astronomie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les plan\u00e8tes et leurs positions - Online Star Register<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/osr.org\/fr\/blog\/astronomie\/les-planetes-et-leurs-positions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les plan\u00e8tes et leurs positions - Online Star Register\" \/>\n<meta property=\"og:description\" content=\"Voici une liste des plan\u00e8tes du syst\u00e8me solaire dans l\u2019ordre de leur distance au Soleil, avec quelques-unes de leurs principales caract\u00e9ristiques:. Mercure C\u2019est la plan\u00e8te la plus proche du Soleil et la plus petite du syst\u00e8me solaire, avec un rayon d\u2019environ 2 440 km. Elle effectue une orbite autour du Soleil en 88 jours terrestres. 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