{"id":3551,"date":"2015-09-21T04:57:57","date_gmt":"2015-09-21T04:57:57","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=3551"},"modified":"2015-09-29T05:05:12","modified_gmt":"2015-09-29T05:05:12","slug":"la-galaxie-m-96-nouvelle-cible-du-telescope-hubble","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/21\/la-galaxie-m-96-nouvelle-cible-du-telescope-hubble\/","title":{"rendered":"La galaxie M 96, nouvelle cible du t\u00e9lescope Hubble"},"content":{"rendered":"<p><strong>La NASA et l&#8217;Agence spatiale europ\u00e9enne (ESA) ont publi\u00e9 une nouvelle image de la galaxie Messier 96 \u00a0r\u00e9alis\u00e9e par le t\u00e9lescope spatial Hubble.<\/strong><\/p>\n<p><a href=\"https:\/\/www.spacetelescope.org\/images\/potw1535a\/\" target=\"_blank\">Messier 96<\/a> est une galaxie spirale situ\u00e9e \u00e0 un peu plus de 35 millions d&#8217;ann\u00e9es-lumi\u00e8re de la Terre en direction de la<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/04\/27\/triplet-de-galaxies-dans-la-constellation-du-lion\/\" target=\"_blank\"> constellation du Lion<\/a>. Elle a une masse et une taille comparables \u00e0 celles de notre galaxie, la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/06\/10\/voie-lactee-et-bioluminescence-dans-le-sud-de-laustralie\/\" target=\"_blank\">Voie lact\u00e9e<\/a>.<\/p>\n\n<!-- iframe plugin v.5.1 wordpress.org\/plugins\/iframe\/ -->\n<iframe loading=\"lazy\" frameborder=\"0\" width=\"480\" height=\"270\" src=\"\/\/www.dailymotion.com\/embed\/video\/x2njbw2\" 0=\"allowfullscreen\" scrolling=\"yes\" class=\"iframe-class\"><\/iframe>\n\n<p style=\"text-align: center\"><strong>En vid\u00e9o : les 25 ans du t\u00e9lescope spatial Hubble<\/strong><\/p>\n<p>On doit la d\u00e9couverte de cette galaxie \u00e0 l&#8217;astronome fran\u00e7ais Pierre M\u00e9chain en 1781 ; Charles Messier l&#8217;ajouta dans son c\u00e9l\u00e8bre <a href=\"http:\/\/www.futura-sciences.com\/magazines\/espace\/infos\/actu\/d\/astronomie-astronomie-catalogue-messier-250-ans-16597\/\" target=\"_blank\">catalogue d&#8217;objets astronomiques<\/a> quatre jours plus tard.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/09\/m96_2.jpg\" rel=\"lightbox[3551]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3555\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/09\/m96_2-441x450.jpg\" alt=\"m96_2\" width=\"441\" height=\"450\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/09\/m96_2-441x450.jpg 441w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/09\/m96_2-1004x1024.jpg 1004w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2015\/09\/m96_2.jpg 1177w\" sizes=\"auto, (max-width: 441px) 100vw, 441px\" \/><\/a><\/p>\n<p>Messier 96 ressemble \u00e0 un tourbillon g\u00e9ant de gaz incandescent parcouru de rides de poussi\u00e8re sombres qui semblent converger en direction du noyau de la galaxie. C&#8217;est une galaxie tr\u00e8s asym\u00e9trique : la poussi\u00e8re et le gaz sont in\u00e9galement r\u00e9partis dans ses bras spiraux et son noyau n&#8217;est pas tout \u00e0 fait au centre. Ses bras sont \u00e9galement asym\u00e9triques, ce qui laisse penser que Messier 96 a subi il y a bien longtemps l&#8217;influence gravitationnelle d&#8217;autres galaxies qui sont pass\u00e9es \u00e0 proximit\u00e9.<\/p>\n<p><!--more-->Messier 96 fait partie d&#8217;un groupe de galaxies (surnomm\u00e9 le groupe M96 ou <a href=\"http:\/\/www.beskeen.com\/gallery\/galaxy\/m95m96m105.shtml\" target=\"_blank\">groupe du Lion<\/a>) qui comprend \u00e9galement les galaxies brillantes <a href=\"http:\/\/messier.obspm.fr\/f\/m105.html\" target=\"_blank\">Messier 105<\/a>\u00a0(une galaxie elliptique) et <a href=\"http:\/\/messier.obspm.fr\/f\/m095.html\" target=\"_blank\">Messier 95<\/a>\u00a0(une autre galaxie spirale), ainsi que d&#8217;un certain nombre de galaxies plus petites et plus faibles.<\/p>\n<p>L&#8217;image ci-dessus a \u00e9t\u00e9 obtenue \u00e0 l&#8217;aide \u00a0de\u00a0la <em>Wide Field Camera<\/em> 3 (<a href=\"http:\/\/hubblesite.org\/the_telescope\/nuts_.and._bolts\/instruments\/wfc3\/\" target=\"_blank\">WFC3<\/a>), la troisi\u00e8me cam\u00e9ra \u00e0 grand champ qui fut install\u00e9e sur Hubble en 2009 au cours de la mission <a href=\"http:\/\/www.futura-sciences.com\/magazines\/espace\/infos\/actu\/d\/astronautique-sts-125-ultime-mission-navette-vers-hubble-19222\/\" target=\"_blank\">STS-125<\/a>, ultime mission d&#8217;une navette am\u00e9ricaine (il s&#8217;agissait d&#8217;Atlantis) vers le t\u00e9lescope spatial.<\/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>La NASA et l&#8217;Agence spatiale europ\u00e9enne (ESA) ont publi\u00e9 une nouvelle image de la galaxie Messier 96 \u00a0r\u00e9alis\u00e9e par le t\u00e9lescope spatial Hubble. Messier 96 est une galaxie spirale situ\u00e9e \u00e0 un peu plus de 35 millions d&#8217;ann\u00e9es-lumi\u00e8re de la Terre en direction de la constellation du Lion. Elle a une masse et une taille &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/21\/la-galaxie-m-96-nouvelle-cible-du-telescope-hubble\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">La galaxie M 96, nouvelle cible du t\u00e9lescope Hubble<\/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":3553,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[84],"tags":[372,1229,1228,734,166],"class_list":["post-3551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciel-etoile","tag-constellation-du-lion","tag-galaxie-spirale","tag-messier-96","tag-telescope-hubble","tag-voie-lactee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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