{"id":7254,"date":"2017-02-13T15:40:42","date_gmt":"2017-02-13T15:40:42","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=7254"},"modified":"2017-02-21T09:25:37","modified_gmt":"2017-02-21T09:25:37","slug":"observatoire-de-pulkovo-menace-par-urbanisation","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/02\/13\/observatoire-de-pulkovo-menace-par-urbanisation\/","title":{"rendered":"L&#8217;Observatoire de Pulkovo menac\u00e9 par l&#8217;urbanisation"},"content":{"rendered":"<p><strong>Cern\u00e9 par des projets d&#8217;urbanisme, l&#8217;Observatoire de Pulkovo en Russie pourrait d\u00e9finitivement fermer ses coupoles 180 ans apr\u00e8s sa cr\u00e9ation.<\/strong><\/p>\n<p>Les astronomes russes se mobilisent (voir la <a href=\"https:\/\/www.change.org\/p\/%D1%81%D0%BE%D1%85%D1%80%D0%B0%D0%BD%D0%B8%D0%BC-%D0%BF%D1%83%D0%BB%D0%BA%D0%BE%D0%B2%D1%81%D0%BA%D1%83%D1%8E-%D0%BE%D0%B1%D1%81%D0%B5%D1%80%D0%B2%D0%B0%D1%82%D0%BE%D1%80%D0%B8%D1%8E?recruiter=675576581&amp;utm_source=share_petition&amp;utm_medium=facebook&amp;utm_campaign=autopublish&amp;utm_term=des-sm-share_petition-reason_msg\" target=\"_blank\">p\u00e9tition en ligne<\/a>) pour tenter de sauver un site astronomique charg\u00e9 d&#8217;histoire, l&#8217;Observatoire de Pulkovo. Fleuron de\u00a0l&#8217;Acad\u00e9mie des sciences de Russie, cet observatoire situ\u00e9 \u00e0 19 km au sud de Saint-P\u00e9tersbourg (et class\u00e9 au patrimoine mondial de l&#8217;UNESCO) a ouvert ses portes en 1839 apr\u00e8s 5 ann\u00e9es de travaux.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/poulkovo.jpg\" rel=\"lightbox[7254]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7255\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/poulkovo-450x260.jpg\" alt=\"\" width=\"450\" height=\"260\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/poulkovo-450x260.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/poulkovo-768x443.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/poulkovo-1024x591.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/poulkovo.jpg 1119w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>\u00c9quip\u00e9 d&#8217;une lunette astronomique de 38 cm de diam\u00e8tre, la plus grande du monde \u00e0 l&#8217;\u00e9poque, l&#8217;observatoire acquiert une renomm\u00e9e internationale avec l&#8217;\u00e9tude des \u00e9toiles doubles par 3 g\u00e9n\u00e9rations de Struve :\u00a0Friedrich Georg Wilhelm von Struve\u00a0(qui dirigea l&#8217;\u00e9tablissement de 1839 \u00e0 1861), son fils\u00a0Otto Wilhelm von Struve (qui lui succ\u00e9da jusqu&#8217;en 1889) et ses petits-fils Hermann Struve et Ludwig Struve (\u00e0 noter que ce dernier eut aussi un fils astronome, Otto Struve, qui passa la majeure partie de sa vie aux \u00c9tats-Unis).\u00a0<!--more--><\/p>\n<p>En 1954 l&#8217;Observatoire de\u00a0Pulkovo eut droit \u00e0 une seconde inauguration suite aux destructions dont il fit l&#8217;objet pendant le terrible si\u00e8ge de la ville (qui s&#8217;appelait alors L\u00e9ningrad) par les allemands de septembre 1941 \u00e0 janvier 1944.<\/p>\n<p>Les observations se sont poursuivies depuis \u00e0 raison de 120 \u00e0 140 nuits par an, l&#8217;observatoire \u00e9tant relativement prot\u00e9g\u00e9 de la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/06\/28\/pollution-lumineuse\/\" target=\"_blank\">pollution lumineuse<\/a> par une grande ceinture verte de 3 km. Mais un projet de construction d&#8217;un quartier r\u00e9sidentiel de 28.000 logements destin\u00e9s \u00e0 accueillir 100.000 habitants pourrait contraindre l&#8217;observatoire \u00e0 fermer d\u00e9finitivement ses coupoles.<\/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>Cern\u00e9 par des projets d&#8217;urbanisme, l&#8217;Observatoire de Pulkovo en Russie pourrait d\u00e9finitivement fermer ses coupoles 180 ans apr\u00e8s sa cr\u00e9ation. Les astronomes russes se mobilisent (voir la p\u00e9tition en ligne) pour tenter de sauver un site astronomique charg\u00e9 d&#8217;histoire, l&#8217;Observatoire de Pulkovo. Fleuron de\u00a0l&#8217;Acad\u00e9mie des sciences de Russie, cet observatoire situ\u00e9 \u00e0 19 km au &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/02\/13\/observatoire-de-pulkovo-menace-par-urbanisation\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">L&#8217;Observatoire de Pulkovo menac\u00e9 par l&#8217;urbanisation<\/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":7255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[2051,2053,2076,2052,2055,2054,2050,2074,2075],"class_list":["post-7254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-friedrich-georg-wilhelm-von-struve","tag-hermann-struve","tag-leningrad","tag-ludwig-struve","tag-observatoire-de-pulkovo","tag-otto-struve","tag-otto-wilhelm-von-struve","tag-russie","tag-saint-petersbourg"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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