Communiqués de presse 2014

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AMBER </a></li><li class=""><a href="/public/teles-instr/paranal-observatory/vlt/vlt-instr/midi/"> MIDI </a></li><li class=""><a href="/public/teles-instr/paranal-observatory/vlt/vlt-instr/vinci/"> VINCI </a></li></ul></li><li class=""><a href="/public/teles-instr/paranal-observatory/vlt/auxiliarytelescopes/"> Auxiliary Telescopes </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/paranal-observatory/surveytelescopes/"> Télescopes pour les grands relevés <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-301" class="submenu-aim sublevel"><li class="submenu"><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vista/"> VISTA <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-302" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vista/mirror/"> The VISTA mirror </a></li><li class=""><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vista/camera/"> VIRCAM </a></li><li class=""><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vista/4most/"> 4MOST </a></li><li class=""><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vista/surveys/"> The VISTA surveys </a></li><li class=""><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vista/consortium/"> The VISTA consortium </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vst/"> VST <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-308" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/paranal-observatory/surveytelescopes/vst/mirror/"> The VST mirrors 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SUSI2 </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/lasilla/36/"> ESO 3.6-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-325" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/36/adonis/"> ADONIS </a></li><li class=""><a href="/public/teles-instr/lasilla/36/caspec/"> CASPEC </a></li><li class=""><a href="/public/teles-instr/lasilla/36/irspec/"> IRSPEC </a></li><li class=""><a href="/public/teles-instr/lasilla/36/harps/"> HARPS </a></li><li class=""><a href="/public/teles-instr/lasilla/36/mefos/"> MEFOS </a></li><li class=""><a href="/public/teles-instr/lasilla/36/nirps/"> NIRPS </a></li><li class=""><a href="/public/teles-instr/lasilla/36/optopus/"> OPTOPUS </a></li><li class=""><a href="/public/teles-instr/lasilla/36/timmi2/"> TIMMI/2 </a></li><li class=""><a 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href="/public/teles-instr/lasilla/trappist/"> TRAnsiting Planets and PlanetesImals Small Telescope–South </a></li><li class="submenu"><a href="/public/teles-instr/lasilla/danish154/"> Danish 1.54-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-350" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/danish154/coravel/"> CORAVEL </a></li><li class=""><a href="/public/teles-instr/lasilla/danish154/dfosc/"> DFOSC </a></li><li class=""><a href="/public/teles-instr/lasilla/danish154/ccd/"> CCD camera </a></li><li class=""><a href="/public/teles-instr/lasilla/danish154/hb-photometer/"> Hβ Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/danish154/two-channel-photometer/"> Two-Channel Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/danish154/four-channel-photometer/"> Four-Channel Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/danish154/six-channel-photometer/"> Six-Channel uvby-Hβ Photometer </a></li></ul></li><li class=""><a href="/public/teles-instr/lasilla/tarot/"> Télescope à Action Rapide pour les Objets Transitoires </a></li><li class=""><a href="/public/teles-instr/lasilla/1mschmidt/"> ESO 1-metre Schmidt telescope </a></li><li class="submenu"><a href="/public/teles-instr/lasilla/152metre/"> ESO 1.52-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-360" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/152metre/bandc/"> Boller and Chivens Spectrograph </a></li><li class=""><a href="/public/teles-instr/lasilla/152metre/coude/"> Coudé Spectrograph </a></li><li class=""><a href="/public/teles-instr/lasilla/152metre/echelec/"> ECHELEC </a></li><li class=""><a href="/public/teles-instr/lasilla/152metre/rv-cass-spectrograph/"> RV Cass Spectrograph </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/lasilla/1metre/"> ESO 1-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-365" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/1metre/fideos/"> FIDEOS </a></li><li class=""><a href="/public/teles-instr/lasilla/1metre/infrared-photometer/"> Infrared Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/1metre/single-channel-photometer/"> Single-Channel Photometer </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/lasilla/05metre/"> ESO 0.5-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-369" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/05metre/single-channel-photometer/"> Single-Channel Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/05metre/double-channel-photometer/"> Double-Channel Photometer </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/lasilla/coude/"> Coudé Auxiliary Telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-372" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/coude/ces/"> CES </a></li></ul></li><li class=""><a href="/public/teles-instr/lasilla/marly/"> MarLy 1-metre telescope </a></li><li class="submenu"><a href="/public/teles-instr/lasilla/09metre/"> Dutch 0.9-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-375" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/09metre/walraven/"> Walraven Photometer </a></li></ul></li><li class=""><a href="/public/teles-instr/lasilla/t70/"> Swiss T70 telescope </a></li><li class="submenu"><a href="/public/teles-instr/lasilla/bochum/"> Bochum 0.61-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-378" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/bochum/bochum-scanner/"> Bochum Scanner </a></li><li class=""><a href="/public/teles-instr/lasilla/bochum/bochum-photometer/"> Bochum Photometer </a></li></ul></li><li class="submenu"><a href="/public/teles-instr/lasilla/danish05/"> Danish 0.5-metre telescope <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-381" class="submenu-aim sublevel"><li class=""><a href="/public/teles-instr/lasilla/danish05/danish-two-channel-hb-photometer/"> Two-Channel Hβ Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/danish05/danish-four-channel-uvby-photometer/"> Four-Channel uvby Photometer </a></li><li class=""><a href="/public/teles-instr/lasilla/danish05/danish-six-channel-uvby-hb-photometer/"> Six-Channel uvby–Hβ Photometer </a></li></ul></li><li class=""><a href="/public/teles-instr/lasilla/gpo/"> Grand Prisme Objectif telescope </a></li><li class=""><a href="/public/teles-instr/lasilla/swiss04/"> Swiss 0.4-metre telescope </a></li><li class=""><a href="/public/teles-instr/lasilla/marseille/"> Marseille 0.36-metre telescope </a></li><li class=""><a href="/public/teles-instr/lasilla/grb/"> GRB Monitoring System </a></li><li class=""><a href="/public/teles-instr/lasilla/mascara/"> MASCARA </a></li><li class=""><a 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href="#"> Black Holes <span class="desktop-children topmenu-arrow fa fa-angle-right"></span></a><span class="mobile-children"><span class="fa fa-angle-down"></span></span><ul id="submenu-aim-428" class="submenu-aim sublevel"><li class=""><a href="https://www.eso.org/public/science/event-horizon/"> First image of a black hole </a></li><li class=""><a href="https://www.eso.org/public/science/EHT-MilkyWay/"> First image of the Milky Way central black hole </a></li><li class=""><a href="https://www.eso.org/public/science/gc/"> More about the black hole at the galactic centre </a></li></ul></li><li class=""><a href="/public/science/grb/"> Les Sursauts Gamma </a></li><li class=""><a href="/public/science/archive/"> Les Archives Scientifiques </a></li> </ul> </div> </div> </li> <li><a href="/public/events/">Événements<span class="fa fa-angle-down level0-children-arrows"></span></a> <span class="mobile-children"> <span class="fa fa-angle-down"></span> </span> <div class="level1-wrapper"> <div 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id="eso-side-logo"> <a href="/public/"> <div data-spy="affix" class="affix"> <div class="sprites-esologo"></div> <span>European<br>Southern<br>Observatory</span> </div> </a> </div> <div class="container " id="body"> <div class="row no-page"> <div class="col-md-12"> <div class="archive-search outside"><form class="form-inline" role="form" action="/public/switzerland-fr/news/" method="GET"><div class="form-group"><div class="input-group"><input id="id_archivesearch" type="text" value="" placeholder="Rechercher Communiqués de presse 2014..." name="search" class="form-control input-sm" /><span class="input-group-btn"><button class="btn btn-default btn-sm" type="submit"><span class="fa fa-search"></span></button></span></div></div></form></div> </div> </div> <div class="row no-page"> <div class="col-md-12"> <h1>Communiqués de presse 2014 <a href="/public/switzerland-fr/news/feed/" class="listviewrsslink"><span class="fa fa-rss"></span></a></h1> <a href="https://www.eso.org/public/outreach/newsletters/esonews.html" class="esonews_link">Abonnez-vous pour recevoir les nouvelles de l'ESO dans votre langue!</a> <div class="row news-list"> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1441/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1441a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1441fr-ch — Communiqué de presse</div> <div class="news-title">Les étoiles bleues et chaudes de Messier 47</div> <div class="news-teaser"><strong>17 décembre 2014</strong>: Cette image spectaculaire de l'amas d'étoiles Messier 47 a été acquise au moyen de la caméra à grand champ qui équipe le télescope MPG/ESO de 2,2 mètres à l'Observatoire de La Silla de l'ESO au Chili. Ce jeune amas ouvert est principalement composé de brillantes étoiles bleues mais quelques géantes rouges s’en détachent aussi clairement.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1440/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1440a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1440fr-ch — Communiqué de presse</div> <div class="news-title"> Feu vert pour la construction de l'E-ELT</div> <div class="news-teaser"><strong>4 décembre 2014</strong>: Au cours d'une récente réunion, les membres du Conseil, principale instance dirigeante de l'ESO, se sont [1] prononcés en faveur de la construction, en deux étapes, du Télescope Géant Européen (E-ELT). Lors de la première phase, près d'un milliard d'euros seront débloqués afin de couvrir les frais de construction d'un télescope pleinement opérationnel et d'un ensemble de puissants instruments ; la première lumière devrait être acquise à échéance de dix ans. En découleront de considérables découvertes scientifiques dans les domaines des exoplanètes, de la composition en étoiles des galaxies proches et de l'Univers profond. Le plus important contrat de l'histoire de l'ESO sera attribué l'année prochaine ; il concernera le dôme du télescope ainsi que la structure principale.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1439/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1439a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1439fr-ch — Communiqué de presse</div> <div class="news-title">Un rassemblement haut en couleurs d'étoiles d'âge moyen</div> <div class="news-teaser"><strong>26 novembre 2014</strong>: Le télescope MPG/ESO de 2,2 mètres qui équipe l'Observatoire de La Silla de l'ESO au Chili a acquis une image haute en couleurs de l'amas d'étoiles NGC 3532. Certaines des étoiles de ce brillant amas rayonnent encore d'un bleu intense. De nombreuses autres, bien plus massives, ont déjà atteint le stade de géante rouge, et affichent des teintes orangées.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1438/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1438a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1438fr-ch — Communiqué de presse</div> <div class="news-title">Alignement fantasmagorique de quasars sur plusieurs milliards d'années-lumière</div> <div class="news-teaser"><strong>19 novembre 2014</strong>: De nouvelles observations effectuées au moyen du Très Grand Télescope (VLT) de l'ESO au Chili ont révélé l'existence d'alignements à l'échelle des plus vastes structures connues de l'Univers. Une équipe de chercheurs européens a découvert que les axes de rotation de trous noirs supermassifs situés aux centres d'un échantillon de quasars sont parallèles les uns aux autres sur des distances de milliards d'années lumière. De plus, les axes de rotation de ces quasars ont tendance à être alignés sur les vastes structures de la toile cosmique au sein de laquelle ils résident.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> </div> <div class="row news-list"> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1437/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1437a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1437fr-ch — Communiqué de presse</div> <div class="news-title">MUSE dévoile la véritable histoire d'une collision galactique</div> <div class="news-teaser"><strong>10 novembre 2014</strong>: L'instrument MUSE qui équipe depuis peu le Très Grand Télescope (VLT) de l'ESO a offert aux chercheurs le meilleur cliché à ce jour d'une spectaculaire collision cosmique. Ces nouvelles observations révèlent, pour la toute première fois, le mouvement du gaz s'échappant de la galaxie ESO 137-001 et se précipitant à toute vitesse à l'intérieur d'un vaste amas de galaxies. Ces résultats offrent la clé de la compréhension d'une vieille énigme – la raison pour laquelle la formation des étoiles cesse au sein des amas de galaxies.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1436/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1436a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1436fr-ch — Communiqué de presse</div> <div class="news-title">Une image révolutionnaire d’ALMA révèle la naissance des planètes</div> <div class="news-teaser"><strong>6 novembre 2014</strong>: Cette nouvelle image réalisée avec ALMA, le grand réseau d’antennes (sub)-millimétrique de l’Atacama révèle avec une précision inégalée à ce jour des détails dans le disque de formation planétaire autour d’une jeune étoile. Ce sont les premières observations effectuées avec ALMA dans sa configuration quasi finale, et ce sont les images les plus précises jamais réalisées dans les longueurs d’ondes submillimétriques. Ces nouveaux résultats représentent un pas énorme dans l’observation du développement des disques protoplanétaires et de la formation planétaire.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1435/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1435a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1435fr-ch — Communiqué de presse</div> <div class="news-title">Le VLTI détecte une lumière exozodiacale</div> <div class="news-teaser"><strong>3 novembre 2014</strong>: C'est en exploitant toute la puissance de l'Interféromètre du Très Grand Télescope qu'une équipe internationale d'astronomes est parvenue à détecter la lumière exozodiacale à proximité des zones habitables qui entourent neuf étoiles proches. Cette lumière n'est autre que la lumière émise par l'étoile, puis réfléchie par la poussière résultant, d'une part de collisions entre astéroïdes, d'autre part de l'évaporation de comètes. L'existence de telles quantités de poussière dans l'environnement immédiat de certaines étoiles est susceptible de constituer un obstacle à l'imagerie directe de planètes de type Terre dans le futur.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1434/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1434a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1434fr-ch — Communiqué de presse</div> <div class="news-title">Découverte d’un processus de formation planétaire au sein d'un système d'étoiles doubles</div> <div class="news-teaser"><strong>29 octobre 2014</strong>: Pour la toute première fois, des chercheurs ont détecté, au moyen d'ALMA, un écoulement de gaz et de poussière qui va d'un disque extérieur massif en direction du cœur d'un système binaire. Cette structure inédite explique peut-être la survivance d'un second disque de taille inférieure, au sein duquel résident des matériaux susceptibles de donner naissance à des planètes. La moitié des étoiles semblables au Soleil sont issues de systèmes binaires. Ce type de découverte s'avère donc crucial dans la chasse aux exoplanètes. Les résultats paraîtront dans l'édition du 30 octobre 2014 de la revue Nature.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> </div> <div class="row news-list"> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1433/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1433a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1433fr-ch — Communiqué de presse</div> <div class="news-title">La Pologne rejoint l’Observatoire Européen Austral</div> <div class="news-teaser"><strong>28 octobre 2014</strong>: Aujourd’hui le Professeur Lena Kolarska-Bobińska, Ministre de la Science et de l’enseignement supérieur polonais, a signé un accord qui va permettre à la Pologne de rejoindre l’Observatoire Européen Austral (ESO) – l’observatoire au sol le plus productif au monde. L’ESO attend maintenant de pouvoir accueillir la Pologne parmi ses Etats membres, à la suite du processus de ratification de l’accord d’adhésion.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1432/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1432a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1432fr-ch — Communiqué de presse</div> <div class="news-title">Deux familles de comètes découvertes à proximité d'une étoile proche</div> <div class="news-teaser"><strong>22 octobre 2014</strong>: L'instrument HARPS qui équipe l'Observatoire de La Silla de l'ESO au Chili a permis d'effectuer le recensement le plus complet à ce jour de comètes en orbite autour d'une autre étoile. Une équipe française d'astronomes a étudié près de 500 comètes distinctes autour de l'étoile Beta Pictoris. Il est apparu qu'elles appartiennent à deux familles distinctes d'exocomètes : les exocomètes âgées, qui ont déjà effectué plusieurs passages à proximité de l'étoile, et les exocomètes plus jeunes, vraisemblablement issues de la récente fragmentation d'un ou plusieurs objets de taille supérieure. Les nouveaux résultats paraîtront dans l'édition du 23 octobre 2014 de la revue Nature.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1431/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1431a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1431fr-ch — Communiqué de presse</div> <div class="news-title">Les secrets de construction d'une mégapole galactique </div> <div class="news-teaser"><strong>15 octobre 2014</strong>: Des astronomes ont utilisé le télescope APEX pour sonder un vaste amas galactique en cours de formation dans l'Univers jeune. Ces observations ont révélé la présence, en des lieux inattendus, de zones de formation d'étoiles masquées par la poussière. C'est la toute première fois qu'un recensement complet des régions de formation d'étoiles au sein d'un tel objet a lieu. </div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1430/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1430a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1430fr-ch — Communiqué de presse</div> <div class="news-title">Des canards sauvages s'élancent d'un amas ouvert</div> <div class="news-teaser"><strong>1 octobre 2014</strong>: La caméra à grand champ qui équipe le télescope MPG/ESO de 2,2 mètres installé à l'Observatoire de La Silla de l'ESO au Chili a acquis ce magnifique cliché constellé d'étoiles de couleur bleue, de l'un des amas ouverts les plus peuplés d'étoiles connu à ce jour – Messier 11, également référencé NGC 6705, par ailleurs baptisé l'Amas du Canard Sauvage.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> </div> <div class="row news-list"> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1429/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1429a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1429fr-ch — Communiqué de presse</div> <div class="news-title">ALMA sonde l'origine tumultueuse des galaxies à disque</div> <div class="news-teaser"><strong>17 septembre 2014</strong>: Des décennies durant, les scientifiques ont pensé que les fusions de galaxies se soldaient généralement par la formation de galaxies elliptiques. Toutefois, des chercheurs utilisant le réseau ALMA et de nombreux autres radiotélescopes viennent pour la première fois de démontrer que la fusion de galaxies conduit plutôt à la formation de galaxies à disque. Ce résultat pour le moins surprenant serait même très fréquent. Il pourrait expliquer la raison pour laquelle les galaxies spirales telle que la Voie Lactée sont si nombreuses dans l'Univers.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1428/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1428a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1428fr-ch — Communiqué de presse</div> <div class="news-title">Un amas d'étoiles différent de ce qu'il semble être</div> <div class="news-teaser"><strong>10 septembre 2014</strong>: Cette nouvelle image acquise par le télescope de sondage du VLT à l'Observatoire de Paranal de l'ESO au nord du Chili montre un vaste ensemble d'étoiles : l'amas globulaire Messier 54. Cet amas ressemble à bien d'autres. Toutefois, il renferme un secret : Messier 54 n'appartient pas à la Voie Lactée, mais à une petite galaxie satellite, la galaxie naine du Sagittaire. Cette filiation pour le moins inhabituelle a permis aux astronomes de mesurer, au moyen du Très Grand Télescope (VLT), la quantité de lithium présente au sein des étoiles situées à l'extérieur de la Voie Lactée. Cet élément s'y trouve-t-il également en quantités plus faibles que ne le prédisent les modèles ? </div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1427/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1427a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1427fr-ch — Communiqué de presse</div> <div class="news-title">Prévisions cosmiques : d'épais nuages sombres laisseront prochainement place à un Soleil radieux</div> <div class="news-teaser"><strong>3 septembre 2014</strong>: Sur cette étonnante image figure Lupus 4, un nuage de gaz et de poussière en forme d'araignée qui masque les étoiles situées en arrière-plan comme le ferait un épais nuage sombre par une nuit sans Lune. Les nuages tels que Lupus 4 abritent de sombres régions de matière dense à l'intérieur desquelles se forment de nouvelles étoiles qui prochainement brilleront de tout leur éclat. Cette nouvelle image a été acquise par la caméra à grand champ qui équipe le télescope MPG/ESO de 2,2 mètres installé à l'Observatoire de La Silla de l'ESO au Chili.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1426/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1426a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1426fr-ch — Communiqué de presse</div> <div class="news-title">Le plus beau cliché d'une fusion de galaxies dans l'Univers lointain</div> <div class="news-teaser"><strong>26 août 2014</strong>: En utilisant le Vaste Réseau d’Antennes (Sub-)Millimétrique de l’Atacama (ALMA) ainsi que de nombreux autres télescopes au sol et dans l’espace, une équipe internationale d'astronomes est parvenue à obtenir le meilleur cliché à ce jour d'une collision s'étant produite entre deux galaxies, alors que l'Univers était deux fois plus jeune qu'aujourd'hui. Afin d'en saisir le moindre détail, ils ont utilisé l'effet de lentille gravitationnelle généré par une galaxie. Ces nouvelles études de la galaxie H-ATLAS J142935.3-002836 ont montré que cet objet complexe et lointain à la fois possédait des caractéristiques semblables à celles d'une célèbre collision entre galaxies locales, les Galaxies des Antennes.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> </div> <div class="row news-list"> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1425/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1425a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1425fr-ch — Communiqué de presse</div> <div class="news-title">Une spectaculaire région de formation d'étoiles</div> <div class="news-teaser"><strong>20 août 2014</strong>: Cette image, acquise au moyen de la caméra à grand champ installée à l'Observatoire de La Silla de l'ESO au Chili, montre deux spectaculaires régions de formation d'étoiles dans la partie australe de la Voie Lactée. L'une d'elles, à gauche de l'image, est principalement occupée par l'amas d'étoiles NGC 3603, distant de 20 000 années lumière, et localisé dans le bras spiral Sagittaire-Carène de notre galaxie, la Voie Lactée. Le second objet, noté NGC 3576, figure à droite de l'image ; il consiste en un ensemble de nuages de gaz brillant situé à mi-distance seulement de la Terre.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1424/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1424a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1424fr-ch — Communiqué de presse</div> <div class="news-title">La Galaxie du Triangle capturée par le VST</div> <div class="news-teaser"><strong>6 août 2014</strong>: Le télescope de sondage (VST) installé sur le VLT à l'Observatoire Paranal de l'ESO au Chili, a acquis une magnifique image détaillée de la galaxie Messier 33. Cette spirale, la seconde galaxie massive la plus proche de notre Voie Lactée, est constellée d'amas d'étoiles brillants ainsi que de nuages de gaz et de poussière. Cette nouvelle image figure parmi les vues à grand champ les plus détaillées de cet objet dont nous disposons à l'heure actuelle. Elle montre clairement les nombreux nuages de gaz brillant avec une couleur rouge qui parsèment ses bras spiraux.</div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1423/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1423a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1423fr-ch — Communiqué de presse</div> <div class="news-title">ALMA découvre un système d'étoiles doubles entourées d'étranges disques protoplanétaires</div> <div class="news-teaser"><strong>30 juillet 2014</strong>: Des astronomes ont découvert, grâce au Vaste Réseau d’Antennes (Sub-)Millimétrique de l'Atacama (ALMA), une étonnante paire de disques protoplanétaires à l'alignement surprenant autour des deux jeunes étoiles qui constituent le système binaire HK Tauri. Ces nouvelles observations d'ALMA offrent l'image la mieux résolue à ce jour de disques protoplanétaires au sein d'un système double. Elles permettent par ailleurs de comprendre la raison pour laquelle tant d'exoplanètes – à la différence des planètes du Système Solaire – décrivent d'étranges orbites, excentriques voire inclinées. Les résultats de ces observations paraîtront dans l'édition du 31 juillet 2014 de la revue Nature. </div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> <div class="col-md-3 col-sm-6 col-xs-12"> <a href="/public/switzerland-fr/news/eso1422/"> <div class="news-wrapper"> <div class="news-image"> <img class="img-responsive" src="https://cdn.eso.org/images/thumb350x/eso1422a.jpg"> </div> <div class="news-description"> <div class="news-id">eso1422fr-ch — Communiqué de presse</div> <div class="news-title">Vie et mort de jumelles stellaires</div> <div class="news-teaser"><strong>23 juillet 2014</strong>: Sur cette image saisissante nouvellement obtenue par l'Observatoire de La Silla de l'ESO au Chili, figure un amas de jeunes étoiles sur fond de nuages de gaz lumineux et de traînées de poussière. Cet amas aujourd'hui constitué d'étoiles brillantes, et baptisé NGC 3293, s'est formé, voici dix millions d'années, à partir d'un simple nuage de gaz et de poussière. Ce type d'amas constitue un véritable laboratoire céleste dont l'étude permet aux astronomes de mieux comprendre les différentes étapes évolutives des étoiles qu'il renferme. </div> </div> <div class="news-readmore">Lire plus</div> </div>  </a> </div> </div> <div class="row statusbar"><div class="col-md-3"> Affiche de 1 à 20 de 41 </div><div class="col-md-6"><div class="text-center"><ul class="pagination"><li class="active"><a href="/public/switzerland-fr/news/archive/year/2014/list/1/">1</a></li><li><a href="/public/switzerland-fr/news/archive/year/2014/list/2/">2</a></li><li><a href="/public/switzerland-fr/news/archive/year/2014/list/3/">3</a></li></ul></div></div><div class="col-md-3 prev-next"><a href="/public/switzerland-fr/news/archive/year/2014/list/2/">Suivant</a></div></div><div class="row"><div class="col-md-12"></div></div> <div class="copyright"> <a href="/public/outreach/copyright/">Usage of ESO Images, Videos, Web texts and Music</a><br /> </div> </div> </div> </div>  <div class="row footernote"> <div class="col-xs-12 col-md-3"> <a href="mailto:information@eso.org">Send us your comments!</a> </div> <div class="col-xs-12 col-md-3"> <a href="/public/outreach/newsletters/esonews/">Abonnez-vous pour recevoir les nouvelles de l'ESO dans votre langue</a> </div> <div class="col-xs-12 col-md-3"> <a href="https://www.cdn77.com">Accéléré par CDN77</a> </div> <div class="col-xs-12 col-md-3"> <a href="/public/about-eso/privacy/">Terms & Conditions</a> </div> </div> <link href="/public/archives/djp/css/extras.d3e54451ebbb.css" rel="stylesheet" type="text/css" /> <script type="text/javascript">var MEDIA_URL = "/public/archives/"</script> <script type="text/javascript" src="/public/archives/djp/js/main.04a7335af5a0.js" charset="utf-8"></script> </div>  <div id="social-share" class="hidden-print"> <div class="link facebook" data-toggle="tooltip" data-placement="right" title="Share on Facebook"> <a href="https://www.facebook.com/sharer/sharer.php?u=https://www.eso.org/public/switzerland-fr/news/archive/year/2014/" target="_blank" rel="noopener noreferrer"><i class="fa-brands fa-facebook-f" aria-hidden="true"></i></a> </div> <div class="link twitter" data-toggle="tooltip" data-placement="right" title="Share on X/Twitter"> <a href="https://twitter.com/intent/tweet?url=https://www.eso.org/public/switzerland-fr/news/archive/year/2014/&text=&via=ESO" target="_blank" rel="noopener noreferrer"><i class="fa-brands fa-x-twitter"></i></i></a> </div> <div class="link pinterest" data-toggle="tooltip" data-placement="right" title="Share on Pinterest"> <a href="https://pinterest.com/pin/create/button/?url=https://www.eso.org/public/switzerland-fr/news/archive/year/2014/&media=&description=" target="_blank" rel="noopener noreferrer"><i class="fa-brands fa-pinterest-p" aria-hidden="true"></i></a> </div> <div class="link print" data-toggle="tooltip" data-placement="right" title="Print"> <a href="javascript:window.print()" target="_blank" rel="noopener noreferrer"><i class="fa fa-print" aria-hidden="true"></i></a> </div> <div class="link email" data-toggle="tooltip" data-placement="right" title="Share by email"> <a href="mailto:%20?subject=ESO — Communiqués de presse 2014&body=https://www.eso.org/public/switzerland-fr/news/archive/year/2014/" target="_blank" rel="noopener noreferrer"><i class="fa-regular fa-envelope" aria-hidden="true"></i></a> </div> </div> <script> $('[data-toggle="tooltip"]').tooltip(); </script> <input type='hidden' name='csrfmiddlewaretoken' value='WoZjGu8P2AJzfuiNz8JVgke46ybHPAawt5Mfd1NnihmjvLOEZkLdqH9f41cLOh9b' /> </body> </html>

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