{"id":200840,"date":"2025-06-24T13:45:12","date_gmt":"2025-06-24T13:45:12","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/200840\/"},"modified":"2025-06-24T13:45:12","modified_gmt":"2025-06-24T13:45:12","slug":"cest-quoi-ce-delire-dans-le-ciel-lastrophotographe-charentais-explique-un-drole-de-phenomene-lumineux-observe-dans-la-nuit","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/200840\/","title":{"rendered":"\u00ab\u00a0C\u2019est quoi ce d\u00e9lire dans le ciel\u00a0\u00bb\u00a0: l\u2019astrophotographe charentais explique un dr\u00f4le de ph\u00e9nom\u00e8ne lumineux observ\u00e9 dans la nuit"},"content":{"rendered":"<p>        <img decoding=\"async\" id=\"24977530\" src=\"https:\/\/www.europesays.com\/fr\/wp-content\/uploads\/2025\/06\/degazage.jpeg\" itemprop=\"contentURL\"\/><\/p>\n<p>Sur son clich\u00e9 r\u00e9alis\u00e9 dans la foul\u00e9e, envoy\u00e9 \u00e0 Charente Libre ce mardi, le ciel est constell\u00e9 d\u2019\u00e9toiles. Au ras de l\u2019horizon, une lueur diffuse et intense surgit derri\u00e8re les arbres, travers\u00e9e de fins faisceaux lumineux.<\/p>\n<p>    La r\u00e9daction vous conseille<\/p>\n<p>L\u2019apparition intrigue, mais n\u2019a rien d\u2019un myst\u00e8re. Elle s\u2019explique par le passage d\u2019une fus\u00e9e Falcon 9 de SpaceX, tout juste lanc\u00e9e depuis les \u00c9tats-Unis, affirme Flavien Beauvais. \u00ab\u00a0L\u2019\u00e9jection de carburant de la navette donne un ph\u00e9nom\u00e8ne lumineux assez impressionnant\u00a0\u00bb.<\/p>\n<p>Expuls\u00e9 dans le vide spatial \u00e0 tr\u00e8s haute altitude<\/p>\n<p>Comme souvent \u00e0 l\u2019issue de sa mission, l\u2019\u00e9tage sup\u00e9rieur de la fus\u00e9e a \u00e9ject\u00e9 le reste de son carburant avant d\u2019\u00eatre d\u00e9sorbit\u00e9. Expuls\u00e9 dans le vide spatial \u00e0 tr\u00e8s haute altitude, ce carburant g\u00e8le instantan\u00e9ment, formant un nuage de minuscules cristaux.<\/p>\n<p>    La r\u00e9daction vous conseille<\/p>\n<p>Si, \u00e0 cette hauteur, le Soleil est d\u00e9j\u00e0 lev\u00e9 alors qu\u2019il fait encore nuit au sol, ces cristaux deviennent visibles depuis la Terre\u00a0: ils r\u00e9fl\u00e9chissent la lumi\u00e8re solaire, produisant des halos, des tra\u00een\u00e9es, voire des spirales lumineuses.<\/p>\n<p>Un ph\u00e9nom\u00e8ne bien connu des astronomes, observ\u00e9 ces derniers mois en Europe \u00e0 l\u2019occasion de pr\u00e9c\u00e9dents lancements. Ciel d\u00e9gag\u00e9, cr\u00e9puscule ou aube\u00a0: les conditions \u00e9taient r\u00e9unies cette nuit-l\u00e0 pour une vision saisissante.<\/p>\n","protected":false},"excerpt":{"rendered":"Sur son clich\u00e9 r\u00e9alis\u00e9 dans la foul\u00e9e, envoy\u00e9 \u00e0 Charente Libre ce mardi, le ciel est constell\u00e9 d\u2019\u00e9toiles.&hellip;\n","protected":false},"author":2,"featured_media":200841,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[1011,27,43,40,41,39,42,44],"class_list":{"0":"post-200840","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sciences-et-technologies","8":"tag-fr","9":"tag-france","10":"tag-science","11":"tag-science-and-technology","12":"tag-sciences","13":"tag-sciences-et-technologies","14":"tag-technologies","15":"tag-technology"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/114738647852677986","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/200840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=200840"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/200840\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/200841"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=200840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=200840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=200840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}