{"id":22961,"date":"2026-07-15T15:11:33","date_gmt":"2026-07-15T15:11:33","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=22961"},"modified":"2026-07-15T15:13:10","modified_gmt":"2026-07-15T15:13:10","slug":"linquietant-miroir-orbital-earendil-1-bientot-operationnel","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/07\/15\/linquietant-miroir-orbital-earendil-1-bientot-operationnel\/","title":{"rendered":"L&#8217;inqui\u00e9tant miroir E\u00e4rendil-1 bient\u00f4t en orbite ?"},"content":{"rendered":"<p><strong>\u00c9clairer la nuit avec un miroir en orbite ? C&#8217;est ce que devrait \u00eatre capable de faire E\u00e4rendil-1, le pionnier d&#8217;une inqui\u00e9tante flottille.\u00a0<\/strong><\/p>\n<h5>La nuit en sursis :<\/h5>\n<p>E\u00e4rendil-1 emprunte son nom \u00e0 l&#8217;un des personnages imaginaires de <a href=\"https:\/\/fr.wikipedia.org\/wiki\/J._R._R._Tolkien\" target=\"_blank\" rel=\"noopener\">J. R. R. Tolkien<\/a>. Si, dans les textes de l&#8217;\u00e9crivain britannique, il devient une \u00e9toile, il pourrait bien les faire dispara\u00eetre. Car c&#8217;est le nom qu&#8217;a choisi <a href=\"https:\/\/www.reflectorbital.com\/\" target=\"_blank\" rel=\"noopener\">Reflect Orbital<\/a> pour d\u00e9signer le premier de ses miroirs plac\u00e9s en orbite (\u00e0 625 km d&#8217;altitude). Objectif : \u00e9clairer temporairement des zones terrestres d&#8217;environ 5 kilom\u00e8tres de diam\u00e8tre avec l&#8217;intensit\u00e9 de la <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Pleine_lune\" target=\"_blank\" rel=\"noopener\">Pleine Lune<\/a>. Sur son site, la soci\u00e9t\u00e9 vente les m\u00e9rites de ce projet : \u00e9clairer la nuit des \u00e9quipes de secours (s\u00e9ismes, incendies&#8230;), des chantiers ou encore des centrales solaires. Un \u00e9clairage d&#8217;appoint payant, bien entendu.<\/p>\n<figure id=\"attachment_22962\" aria-describedby=\"caption-attachment-22962\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/07\/reflect.jpg\" rel=\"lightbox[22961]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-22962\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/07\/reflect-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/07\/reflect-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/07\/reflect-1024x615.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/07\/reflect-768x461.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/07\/reflect.jpg 1499w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-22962\" class=\"wp-caption-text\">Reflect Orbital pr\u00e9voit la mise en service de miroirs en orbite. \u00a9 Montage Cielmania<\/figcaption><\/figure>\n<p>La FCC (<a href=\"https:\/\/www.fcc.gov\/\" target=\"_blank\" rel=\"noopener\">Federal Communications Commission<\/a>) vient de donner son feu vert pour la mise en orbite du premier miroir (un film r\u00e9fl\u00e9chissant de 18 m\u00e8tres de diam\u00e8tre). Il devrait \u00eatre test\u00e9 dans l&#8217;espace d&#8217;ici la fin de l&#8217;ann\u00e9e. Si le premier essai est concluant, Reflect Orbital pr\u00e9voit la mise en service de 50.000 miroirs d&#8217;ici 2035 ! La soci\u00e9t\u00e9 assure qu&#8217;elle prendra soin d&#8217;\u00e9viter les &#8220;<a href=\"https:\/\/www.reflectorbital.com\/blog-posts\/reflect-orbital-seeks-collaboration-with-dark-skies\" target=\"_blank\" rel=\"noopener\">zones d&#8217;astronomie<\/a>&#8220;. Pas de quoi rassurer les amoureux des \u00e9toiles, d\u00e9j\u00e0 inquiets par la prolif\u00e9ration des <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Constellation_de_satellites\" target=\"_blank\" rel=\"noopener\">constellations de satellites<\/a>&#8230;<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/10\/29\/la-comete-lemmon-defiguree-par-les-satellites\/\" target=\"_blank\" rel=\"noopener\">La com\u00e8te Lemmon d\u00e9figur\u00e9e par les satellites<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/05\/21\/le-morvan-devient-reserve-internationale-de-ciel-etoile\/\" target=\"_blank\" rel=\"noopener\">Le Morvan devient R\u00e9serve internationale de ciel \u00e9toil\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/12\/24\/video-ciel-nocturne-de-reserve-etoilee-dalqueva\/\" target=\"_blank\" rel=\"noopener\">En vid\u00e9o : le ciel \u00e9toil\u00e9 de la r\u00e9serve portugaise d\u2019Alqueva<\/a><\/li>\n<\/ul>\n<p>Suivez l\u2019actualit\u00e9 astronomique et d\u00e9couvrez mes images du ciel en vous abonnant \u00e0 Cielmania sur\u00a0<a href=\"https:\/\/www.facebook.com\/cielmania\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a>.<\/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>\u00c9clairer la nuit avec un miroir en orbite ? C&#8217;est ce que devrait \u00eatre capable de faire E\u00e4rendil-1, le pionnier d&#8217;une inqui\u00e9tante flottille.\u00a0 La nuit en sursis : E\u00e4rendil-1 emprunte son nom \u00e0 l&#8217;un des personnages imaginaires de J. R. R. Tolkien. Si, dans les textes de l&#8217;\u00e9crivain britannique, il devient une \u00e9toile, il pourrait &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/07\/15\/linquietant-miroir-orbital-earendil-1-bientot-operationnel\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">L&#8217;inqui\u00e9tant miroir E\u00e4rendil-1 bient\u00f4t en orbite ?<\/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":22962,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[3981,3983,167,3982],"class_list":["post-22961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-earendil-1","tag-j-r-r-tolkien","tag-pollution-lumineuse","tag-reflect-orbital"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;inqui\u00e9tant miroir E\u00e4rendil-1 bient\u00f4t en orbite ?<\/title>\n<meta name=\"description\" content=\"\u00c9clairer la nuit avec un miroir en orbite ? 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