{"id":2017,"date":"2015-11-30T02:17:10","date_gmt":"2015-11-30T00:17:10","guid":{"rendered":"http:\/\/le-bars.net\/yoann\/?p=2017"},"modified":"2018-10-27T23:22:17","modified_gmt":"2018-10-27T21:22:17","slug":"luminesciences-le-blog-de","status":"publish","type":"post","link":"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/","title":{"rendered":"Luminesciences\u00a0: le blog de Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>"},"content":{"rendered":"<figure style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/blogs.futura-sciences.com\/luminet\/wp-content\/uploads\/sites\/2\/2013\/12\/image003-1024x759.jpg?resize=660%2C495\" width=\"660\" height=\"495\" alt=\"Jean-Pierre Luminet\" class \/><figcaption class=\"wp-caption-text\">\u00a9 Jean-Pierre <span style=\"font-variant: small-caps;\">Luminet<\/span>.<\/figcaption><\/figure>\n<p>Jean-Pierre <span style=\"font-variant: small-caps;\">Luminet<\/span> est l\u2019auteur du blog <a href=\"http:\/\/blogs.futura-sciences.com\/luminet\/\" title=\"Luminesciences : le blog de Jean-Pierre LUMINET, astrophysicien\" target=\"_blank\">Luminesciences<\/a>. Pas seulement\u00a0: il est aussi astrophysicien, directeur de recherche du <a href=\"http:\/\/www.cnrs.fr\/\" title=\"CNRS\" target=\"_blank\">CNRS<\/a> au <a href=\"https:\/\/www.lam.fr\/\" title=\"Laboratoire d\u2019astrophysique de Marseille\" target=\"_blank\">Laboratoire d\u2019astrophysique de Marseille<\/a>, ainsi qu\u2019au <a href=\"http:\/\/luth.obspm.fr\/\" title=\"Laboratoire Univers et th\u00e9orie\" target=\"_blank\">Laboratoire Univers et th\u00e9ories<\/a>. Pas seulement\u00a0: il a aussi des activit\u00e9s de vulgarisation et culturelles. De tout cela, il est question sur son blog.<\/p>\n<p>Parmi ses travaux notables, <a href=\"http:\/\/blogs.futura-sciences.com\/luminet\/2014\/11\/01\/interstellar-trou-noir-hollywood-1\/\" title=\"Interstellar\u00a0: un trou noir \u00e0 Hollywood\" target=\"_blank\">il est l\u2019un des pionniers des repr\u00e9sentations r\u00e9alistes des trous noirs<\/a>. D\u00e8s 1979<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2017_1('footnote_plugin_reference_2017_1_1');\" onkeypress=\"footnote_moveToReference_2017_1('footnote_plugin_reference_2017_1_1');\" ><sup id=\"footnote_plugin_tooltip_2017_1_1\" class=\"footnote_plugin_tooltip_text\">1<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2017_1_1\" class=\"footnote_tooltip\">Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>, 1979. <em>Image of a Spherical Black Hole with Thin Accretion Disk<\/em>, Astronomy and Astrophysics, n\u00b0\u00a075, pp. 228 \u2013 235. <a href=\"http:\/\/articles.adsabs.harvard.edu\/cgi-bin\/nph-iarticle_query?bibcode=1979A%26A....75..228L&db_key=AST&page_ind=0&data_type=GIF&type=SCREEN_VIEW&classic=YES\" title=\"Image of a Spherical Black Hole with Thin Accretion Disk\" target=\"_blank\">Disponible en ligne.<\/a><\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2017_1_1').tooltip({ tip: '#footnote_plugin_tooltip_text_2017_1_1', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top right', relative: true, offset: [10, 10], });<\/script>, il en a propos\u00e9 une plus r\u00e9aliste et pr\u00e9cise que celle pr\u00e9sent\u00e9e dans <em>Interstellar<\/em><span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2017_1('footnote_plugin_reference_2017_1_2');\" onkeypress=\"footnote_moveToReference_2017_1('footnote_plugin_reference_2017_1_2');\" ><sup id=\"footnote_plugin_tooltip_2017_1_2\" class=\"footnote_plugin_tooltip_text\">2<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2017_1_2\" class=\"footnote_tooltip\">Christopher\u00a0<span style=\"font-variant: small-caps;\">Nolan<\/span>, 2014. <em>Interstellar<\/em>, Syncopy\u00a0Films et Lynda\u00a0Obst\u00a0Productions.<\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2017_1_2').tooltip({ tip: '#footnote_plugin_tooltip_text_2017_1_2', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top right', relative: true, offset: [10, 10], });<\/script>. Il a \u00e9galement travaill\u00e9 sur la forme \u2013 en fait, la topologie \u2013 de l\u2019Univers, ce qui l\u2019a conduit \u00e0 introduire la notion d\u2019univers chiffonn\u00e9<span class=\"footnote_referrer\"><a role=\"button\" tabindex=\"0\" onclick=\"footnote_moveToReference_2017_1('footnote_plugin_reference_2017_1_3');\" onkeypress=\"footnote_moveToReference_2017_1('footnote_plugin_reference_2017_1_3');\" ><sup id=\"footnote_plugin_tooltip_2017_1_3\" class=\"footnote_plugin_tooltip_text\">3<\/sup><\/a><span id=\"footnote_plugin_tooltip_text_2017_1_3\" class=\"footnote_tooltip\">Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>, 2001. <em>L\u2019Univers chiffonn\u00e9<\/em>, Fayard, Paris. \u00c9dition revue et augment\u00e9e en 2004.<\/span><\/span><script type=\"text\/javascript\"> jQuery('#footnote_plugin_tooltip_2017_1_3').tooltip({ tip: '#footnote_plugin_tooltip_text_2017_1_3', tipClass: 'footnote_tooltip', effect: 'fade', predelay: 0, fadeInSpeed: 200, delay: 400, fadeOutSpeed: 200, position: 'top right', relative: true, offset: [10, 10], });<\/script>.<\/p>\n<p><!--more--><\/p>\n<p>Plut\u00f4t que de se lancer dans le vide, il est toujours bon d\u2019avoir quelques r\u00e9f\u00e9rences, cela permet d\u2019\u00e9viter pas mal d\u2019\u00e9cueils. En mati\u00e8re de scientifiques pr\u00e9sentant leurs travaux \u00e0 un large public, j\u2019ai principalement deux r\u00e9f\u00e9rences\u00a0: <a href=\"http:\/\/www.futura-sciences.com\/magazines\/matiere\/infos\/personnalites\/d\/physique-etienne-klein-101\/\" title=\"Biographie d\u2019\u00c9tienne\u00a0Klein\" target=\"_blank\">\u00c9tienne\u00a0<span style=\"font-variant: small-caps;\">Klein<\/span><\/a> et Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>. Si je les prends comme r\u00e9f\u00e9rences, c\u2019est bien parce que je trouve que le travail qu\u2019ils fournissent en la mati\u00e8re fait partie de ce qui se fait de mieux. Alors, bien entendu, je vous invite fortement \u00e0 faire un tour sur le site de Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>\u00a0: de tr\u00e8s nombreux th\u00e8mes y sont abord\u00e9s en profondeurs et avec rigueur, le tout sous une forme \u00e0 mon sens tr\u00e8s accessibles. Puis, j\u2019ai <a href=\"http:\/\/le-bars.net\/yoann\/fr\/2015\/07\/23\/le-big-bang-quand-lunivers-ne-fait-pas-boum%e2%80%af\/\" title=\"Le Big\u00a0bang\u00a0: quand l\u2019Univers ne fait pas boum\u202f!\">d\u00e9j\u00e0 mentionn\u00e9<\/a> \u00e0 <a href=\"http:\/\/le-bars.net\/yoann\/fr\/2015\/09\/15\/tout-est-relatif-mon-cher-bruno%e2%80%af\/\" title=\"Tout est relatif, mon cher Bruno\u202f!\">deux reprises<\/a> Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span> dans mon journal, ce n\u2019est donc que logique que je prenne un peu de temps pour vous le pr\u00e9senter.<\/p>\n<p>En pr\u00e9sentant <a href=\"http:\/\/le-bars.net\/yoann\/fr\/2015\/10\/24\/presentation-de-e-penser\/\" title=\"Pr\u00e9sentaiton d\u2019e-Penser\">e-Penser<\/a>, j\u2019avais indiqu\u00e9 que nous avons tous nos limites, moi le premier. Cela implique que Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span> a \u00e9galement les siennes. Je dois dire que, concernant son travail de vulgarisation, je ne suis pas vraiment capable d\u2019en relever beaucoup. Je peux par exemple mentionner <a href=\"http:\/\/blogs.futura-sciences.com\/luminet\/2015\/09\/03\/le-rasoir-dockham-1-le-principe-de-simplicite\/\" title=\"Le Rasoir d\u2019Ockham (1)\u00a0: le principe de simplicit\u00e9\" target=\"_blank\">qu\u2019il appelle le principe de parcimonie \u00ab\u202fprincipe de simplicit\u00e9\u202f\u00bb<\/a>, ce qui peut faire <a href=\"http:\/\/www.littre.org\/definition\/accroire\" title=\"D\u00e9finition de accroire dans le Littr\u00e9\" target=\"_blank\">accroire<\/a> qu\u2019il consiste \u00e0 privil\u00e9gier les explications les plus simples, alors qu\u2019il consiste \u00e0 privil\u00e9gier les explications n\u00e9cessitant le moins d\u2019hypoth\u00e8ses (comme il l\u2019explique par ailleurs dans son article). Je conc\u00e8de que ce n\u2019est que du d\u00e9tail\u2026<\/p>\n<p>N\u00e9anmoins, <a href=\"http:\/\/le-bars.net\/yoann\/fr\/2016\/03\/01\/guillaume-avait-un-bon-rasoir%e2%80%af\/\" title=\"Guillaume avait un bon rasoir\u202f!\">vous pouvez lire ma pr\u00e9sentation du principe de parcimonie<\/a>.<\/p>\n<p>Apr\u00e8s, on peut toujours s\u2019interroger sur l\u2019\u00e9quilibre entre d\u00e9tailler un sujet et rester accessible. Celui trouv\u00e9 par Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span> me semble bon et j\u2019essaye toujours de le questionner concernant mes propres articles.<\/p>\n<div class=\"speaker-mute footnotes_reference_container\"> <div class=\"footnote_container_prepare\"><p><span role=\"button\" tabindex=\"0\" class=\"footnote_reference_container_label pointer\" onclick=\"footnote_expand_collapse_reference_container_2017_1();\">Notes<\/span><span role=\"button\" tabindex=\"0\" class=\"footnote_reference_container_collapse_button\" style=\"display: none;\" onclick=\"footnote_expand_collapse_reference_container_2017_1();\">[<a id=\"footnote_reference_container_collapse_button_2017_1\">+<\/a>]<\/span><\/p><\/div> <div id=\"footnote_references_container_2017_1\" style=\"\"><table class=\"footnotes_table footnote-reference-container\"><caption class=\"accessibility\">Notes<\/caption> <tbody> \r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2017_1('footnote_plugin_tooltip_2017_1_1');\"><a id=\"footnote_plugin_reference_2017_1_1\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>1<\/a><\/th> <td class=\"footnote_plugin_text\">Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>, 1979. <em>Image of a Spherical Black Hole with Thin Accretion Disk<\/em>, Astronomy and Astrophysics, n\u00b0\u00a075, pp. 228 \u2013 235. <a href=\"http:\/\/articles.adsabs.harvard.edu\/cgi-bin\/nph-iarticle_query?bibcode=1979A%26A....75..228L&db_key=AST&page_ind=0&data_type=GIF&type=SCREEN_VIEW&classic=YES\" title=\"Image of a Spherical Black Hole with Thin Accretion Disk\" target=\"_blank\">Disponible en ligne.<\/a><\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2017_1('footnote_plugin_tooltip_2017_1_2');\"><a id=\"footnote_plugin_reference_2017_1_2\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>2<\/a><\/th> <td class=\"footnote_plugin_text\">Christopher\u00a0<span style=\"font-variant: small-caps;\">Nolan<\/span>, 2014. <em>Interstellar<\/em>, Syncopy\u00a0Films et Lynda\u00a0Obst\u00a0Productions.<\/td><\/tr>\r\n\r\n<tr class=\"footnotes_plugin_reference_row\"> <th scope=\"row\" class=\"footnote_plugin_index_combi pointer\"  onclick=\"footnote_moveToAnchor_2017_1('footnote_plugin_tooltip_2017_1_3');\"><a id=\"footnote_plugin_reference_2017_1_3\" class=\"footnote_backlink\"><span class=\"footnote_index_arrow\">&#8593;<\/span>3<\/a><\/th> <td class=\"footnote_plugin_text\">Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span>, 2001. <em>L\u2019Univers chiffonn\u00e9<\/em>, Fayard, Paris. \u00c9dition revue et augment\u00e9e en 2004.<\/td><\/tr>\r\n\r\n <\/tbody> <\/table> <\/div><\/div><script type=\"text\/javascript\"> function footnote_expand_reference_container_2017_1() { jQuery('#footnote_references_container_2017_1').show(); jQuery('#footnote_reference_container_collapse_button_2017_1').text('\u2212'); } function footnote_collapse_reference_container_2017_1() { jQuery('#footnote_references_container_2017_1').hide(); jQuery('#footnote_reference_container_collapse_button_2017_1').text('+'); } function footnote_expand_collapse_reference_container_2017_1() { if (jQuery('#footnote_references_container_2017_1').is(':hidden')) { footnote_expand_reference_container_2017_1(); } else { footnote_collapse_reference_container_2017_1(); } } function footnote_moveToReference_2017_1(p_str_TargetID) { footnote_expand_reference_container_2017_1(); var l_obj_Target = jQuery('#' + p_str_TargetID); if (l_obj_Target.length) { jQuery( 'html, body' ).delay( 0 ); jQuery('html, body').animate({ scrollTop: l_obj_Target.offset().top - window.innerHeight * 0.2 }, 380); } } function footnote_moveToAnchor_2017_1(p_str_TargetID) { footnote_expand_reference_container_2017_1(); var l_obj_Target = jQuery('#' + p_str_TargetID); if (l_obj_Target.length) { jQuery( 'html, body' ).delay( 0 ); jQuery('html, body').animate({ scrollTop: l_obj_Target.offset().top - window.innerHeight * 0.2 }, 380); } }<\/script>","protected":false},"excerpt":{"rendered":"<p>Jean-Pierre Luminet est l\u2019auteur du blog Luminesciences. Pas seulement\u00a0: il est aussi astrophysicien, directeur de recherche du CNRS au Laboratoire d\u2019astrophysique de Marseille, ainsi qu\u2019au Laboratoire Univers et th\u00e9ories. Pas seulement\u00a0: il a aussi des activit\u00e9s de vulgarisation et culturelles. De tout cela, il est question sur son blog. Parmi ses travaux notables, il est &hellip; <a href=\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Luminesciences\u00a0: le blog de Jean-Pierre\u00a0<span style=\"font-variant: small-caps;\">Luminet<\/span><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"link","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[43],"tags":[85,123,171,112,81,66],"class_list":["post-2017","post","type-post","status-publish","format-link","hentry","category-science","tag-astronomie","tag-astrophysique","tag-cds","tag-culture-fr","tag-science","tag-vulgarisation","post_format-post-format-link"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Luminesciences\u00a0: le blog de Jean-Pierre\u00a0Luminet &#8211; Vu d\u2019ici<\/title>\n<meta name=\"description\" content=\"Pr\u00e9sentation du blog de Jean-Pierre Luminet, astrophysicien.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Luminesciences\u00a0: le blog de Jean-Pierre\u00a0Luminet &#8211; Vu d\u2019ici\" \/>\n<meta property=\"og:description\" content=\"Pr\u00e9sentation du blog de Jean-Pierre Luminet, astrophysicien.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\" \/>\n<meta property=\"og:site_name\" content=\"Vu d\u2019ici\" \/>\n<meta property=\"article:published_time\" content=\"2015-11-30T00:17:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-10-27T21:22:17+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/blogs.futura-sciences.com\/luminet\/wp-content\/uploads\/sites\/2\/2013\/12\/image003-1024x759.jpg\" \/>\n<meta name=\"author\" content=\"Yoann Le Bars\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Yoann Le Bars\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\"},\"author\":{\"name\":\"Yoann Le Bars\",\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576\"},\"headline\":\"Luminesciences\u00a0: le blog de Jean-Pierre\u00a0Luminet\",\"datePublished\":\"2015-11-30T00:17:10+00:00\",\"dateModified\":\"2018-10-27T21:22:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\"},\"wordCount\":487,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/#\/schema\/person\/90c5a2de7ad2db1184bbe140ebea1576\"},\"image\":{\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/blogs.futura-sciences.com\/luminet\/wp-content\/uploads\/sites\/2\/2013\/12\/image003-1024x759.jpg\",\"keywords\":[\"Astronomie\",\"Astrophysique\",\"cds\",\"Culture\",\"Science\",\"Vulgarisation\"],\"articleSection\":[\"Science\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\",\"url\":\"https:\/\/le-bars.net\/yoann\/fr\/2015\/11\/30\/luminesciences-le-blog-de\/\",\"name\":\"Luminesciences\u00a0: le blog de Jean-Pierre\u00a0Luminet &#8211; 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