{"id":2086,"date":"2015-03-09T06:05:24","date_gmt":"2015-03-09T06:05:24","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=2086"},"modified":"2015-03-14T06:11:12","modified_gmt":"2015-03-14T06:11:12","slug":"discrete-la-planete-uranus-glisse-entre-venus-et-mars","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/09\/discrete-la-planete-uranus-glisse-entre-venus-et-mars\/","title":{"rendered":"Discr\u00e8te, la plan\u00e8te Uranus glisse entre V\u00e9nus et Mars"},"content":{"rendered":"<p>Dans le ciel des astrophotographes, certaines plan\u00e8tes tiennent une place de choix en raison de leur \u00e9clat : <a title=\"Les plan\u00e8tes V\u00e9nus et Mars se s\u00e9parent\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/03\/les-planetes-venus-et-mars-se-separent\/\" target=\"_blank\">V\u00e9nus<\/a> et <a title=\"La plan\u00e8te Jupiter au plus pr\u00e8s de la Terre\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/08\/la-planete-jupiter-au-plus-pres-de-la-terre\/\" target=\"_blank\">Jupiter <\/a>arrivent en t\u00eate, suivies de <a title=\"Les \u00e9tonnants nuages g\u00e9ants de la plan\u00e8te Mars\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/27\/les-etonnants-nuages-geants-de-la-planete-mars\/\" target=\"_blank\">Mars<\/a>\u00a0et\u00a0<a title=\"Comment d\u00e9nicher la plan\u00e8te Saturne\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/14\/comment-denicher-la-planete-saturne\/\" target=\"_blank\">Saturne<\/a>\u00a0(par ordre de luminosit\u00e9 d\u00e9croissante). <a title=\"Zoom sur le sol de Mercure\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/26\/zoom-sol-mercure\/\" target=\"_blank\">Mercure<\/a>, m\u00eame si elle peut atteindre des magnitudes n\u00e9gatives, est toujours d\u00e9licate \u00e0 saisir en raison de sa proximit\u00e9 au <a title=\"20 mars : ne manquez pas l\u2019\u00e9clipse partielle de Soleil\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/28\/20-mars-ne-manquez-pas-leclipse-partielle-de-soleil\/\" target=\"_blank\">Soleil<\/a>.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/venus-uranus-mars.jpg\" rel=\"lightbox[2086]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2087\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/venus-uranus-mars-450x336.jpg\" alt=\"venus-uranus-mars\" width=\"450\" height=\"336\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/venus-uranus-mars-450x336.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/venus-uranus-mars-1024x765.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/03\/venus-uranus-mars.jpg 1204w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Beaucoup plus discr\u00e8te, Uranus est rarement pr\u00e9sente sur des clich\u00e9s. Il faut dire que la septi\u00e8me plan\u00e8te du Syst\u00e8me solaire, d\u00e9couverte en 1781 par <a title=\"Le t\u00e9lescope de William Herschel\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/05\/12\/telescope-william-herschel\/\" target=\"_blank\">William Herschel<\/a>, brille avec une magnitude de 5,9 (10 000 fois moins que V\u00e9nus) : pas de quoi \u00e9blouir les capteurs de nos appareils photographiques.<\/p>\n<p><!--more-->Le peu que nous savons sur cette plan\u00e8te (comme l&#8217;existence de <a title=\"Temp\u00eates g\u00e9antes sur Uranus\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/20\/tempetes-geantes-sur-uranus\/\" target=\"_blank\">temp\u00eates g\u00e9antes<\/a>), nous le devons \u00e0 la sonde Voyager (1986) et au <a title=\"Hubble Site\" href=\"http:\/\/hubblesite.org\/\" target=\"_blank\">t\u00e9lescope spatial Hubble<\/a>.<\/p>\n<p>Nous avons depuis quelques jours la possibilit\u00e9 de rep\u00e9rer Uranus : elle a fr\u00f4l\u00e9 <a title=\"Les Terriens immortalisent la rencontre Lune-V\u00e9nus-Mars\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/02\/21\/les-terriens-immortalisent-la-rencontre-lune-venus-mars\/\" target=\"_blank\">V\u00e9nus <\/a>le 4 mars et fera de m\u00eame avec la Plan\u00e8te rouge le 11 mars. La photographie ci-dessus a \u00e9t\u00e9 r\u00e9alis\u00e9e au cours de la soir\u00e9e du 6 mars en utilisant une sensibilit\u00e9 de 3200 iso sur le bo\u00eetier photo (pose de 3 secondes avec une focale de 150 mm et une ouverture de 5,6).<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Dans le ciel des astrophotographes, certaines plan\u00e8tes tiennent une place de choix en raison de leur \u00e9clat : V\u00e9nus et Jupiter arrivent en t\u00eate, suivies de Mars\u00a0et\u00a0Saturne\u00a0(par ordre de luminosit\u00e9 d\u00e9croissante). Mercure, m\u00eame si elle peut atteindre des magnitudes n\u00e9gatives, est toujours d\u00e9licate \u00e0 saisir en raison de sa proximit\u00e9 au Soleil. Beaucoup plus discr\u00e8te, &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/09\/discrete-la-planete-uranus-glisse-entre-venus-et-mars\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Discr\u00e8te, la plan\u00e8te Uranus glisse entre V\u00e9nus et Mars<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":2087,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[86],"tags":[116,114,160,544,128,159,129],"class_list":["post-2086","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil-et-planetes","tag-mars","tag-planete","tag-systeme-solaire","tag-telescope-spatial-hubble","tag-uranus","tag-venus","tag-william-herschel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Discr\u00e8te, la plan\u00e8te Uranus glisse entre V\u00e9nus et Mars<\/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:\/\/blogs.futura-sciences.com\/feldmann\/2015\/03\/09\/discrete-la-planete-uranus-glisse-entre-venus-et-mars\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Discr\u00e8te, la plan\u00e8te Uranus glisse entre V\u00e9nus et Mars\" \/>\n<meta property=\"og:description\" content=\"Dans le ciel des astrophotographes, certaines plan\u00e8tes tiennent une place de choix en raison de leur \u00e9clat : V\u00e9nus et Jupiter arrivent en t\u00eate, suivies de Mars\u00a0et\u00a0Saturne\u00a0(par ordre de luminosit\u00e9 d\u00e9croissante). 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