{"id":21886,"date":"2025-10-29T11:16:43","date_gmt":"2025-10-29T11:16:43","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=21886"},"modified":"2025-11-06T16:58:13","modified_gmt":"2025-11-06T16:58:13","slug":"la-comete-lemmon-defiguree-par-les-satellites","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/10\/29\/la-comete-lemmon-defiguree-par-les-satellites\/","title":{"rendered":"La com\u00e8te Lemmon d\u00e9figur\u00e9e par les satellites"},"content":{"rendered":"<p><strong>Le ciel nocturne se charge inexorablement de la lumi\u00e8re des satellites et la com\u00e8te Lemmon n&#8217;y a malheureusement pas \u00e9chapp\u00e9.\u00a0<\/strong><\/p>\n<h5>Rayures lumineuses disgracieuses :<\/h5>\n<p>Si les images de la com\u00e8te Lemmon rivalisent de beaut\u00e9, celle de <a href=\"https:\/\/www.flickr.com\/photos\/oscar-martin\/\" target=\"_blank\" rel=\"noopener\">Oscar Mart\u00edn Mesonero<\/a> publi\u00e9e sur <a href=\"https:\/\/www.facebook.com\/photo?fbid=819108834151029&amp;set=a.149603584434894\" target=\"_blank\" rel=\"noopener\">Sky<\/a> a de quoi inqui\u00e9ter. Prise depuis <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Province_de_Salamanque\" target=\"_blank\" rel=\"noopener\">la province de Salamanque<\/a> (Espagne) le 27 octobre 2025, elle r\u00e9v\u00e9le l\u2019augmentation exponentielle du nombre de satellites artificiels. Depuis quelques ann\u00e9es d\u00e9j\u00e0, les astronomes et les astrophotographes avaient choisi de fuir la <a href=\"https:\/\/www.futura-sciences.com\/sciences\/questions-reponses\/espace-quest-ce-pollution-lumineuse-12\/\" target=\"_blank\" rel=\"noopener\">pollution lumineuse<\/a> des villes pour pratiquer leur passion :<\/p>\n<p><iframe loading=\"lazy\" title=\"La pollution lumineuse \u00e9teindra-t-elle les \u00e9toiles\u2009? | Futura\" width=\"474\" height=\"267\" src=\"https:\/\/www.youtube.com\/embed\/7hlNIZtTBcE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Mais les satellites artificiels sont partout. Et m\u00eame dans les endroits les plus recul\u00e9s, force est de constater que le ciel nocturne perd peu \u00e0 peu de sa noirceur. Le prix \u00e0 payer pour connecter le monde ?<\/p>\n<p><!--more--><\/p>\n<h5>Starlink, mais pas seulement :<\/h5>\n<p>La plupart des traces ont \u00e9t\u00e9 laiss\u00e9es par des\u00a0<a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/constellation-satellites-starlink-18554\/\" target=\"_blank\" rel=\"noopener\">satellites Starlink<\/a>. Des milliers sont d\u00e9j\u00e0 en service \u00e0 550 kilom\u00e8tres d\u2019altitude, et ce n\u2019est pas termin\u00e9. Mais il y a pire : les prochaines constellations de satellites seront plac\u00e9es \u00e0 une altitude deux fois plus \u00e9lev\u00e9e. Ils seront visibles beaucoup plus longtemps la nuit, \u00e0 la diff\u00e9rence des Starlink plus bas, que nous ne voyons qu\u2019en d\u00e9but et en fin de nuit. En effet, plus un satellite est bas et plus il passe de temps dans le c\u00f4ne d\u2019ombre terrestre :<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/10\/lemmon.jpg\" rel=\"lightbox[21886]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-21887\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/10\/lemmon-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/10\/lemmon-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/10\/lemmon-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/10\/lemmon-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2025\/10\/lemmon.jpg 1500w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Bien s\u00fbr, il existe des logiciels photo qui permettent d\u2019effacer ces rayures disgracieuses. Mais \u00e0 l&#8217;allure o\u00f9 vont les choses, comme le pr\u00e9dit <a href=\"https:\/\/www.futura-sciences.com\/sciences\/actualites\/satellite-nuits-etoilees-point-lumineux-15-sera-bientot-satellite-95998\/\" target=\"_blank\" rel=\"noopener\">Samantha Lawler<\/a>, le temps viendra o\u00f9 un point lumineux sur quinze dans le ciel nocturne sera un satellite\u2026<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/10\/22\/recit-la-comete-lemmon-dans-le-ciel-de-la-drome\/\" target=\"_blank\" rel=\"noopener\">R\u00e9cit : la com\u00e8te Lemmon dans le ciel de la Dr\u00f4me<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/10\/20\/surprise-une-aurore-boreale-accompagne-la-comete-lemmon\/\" target=\"_blank\" rel=\"noopener\">Surprise : une aurore bor\u00e9ale accompagne la com\u00e8te Lemmon<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/10\/23\/splendeur-dans-le-sillage-de-la-comete-lemmon\/\" target=\"_blank\" rel=\"noopener\">Splendeur dans le sillage de la com\u00e8te Lemmon<\/a><\/li>\n<\/ul>\n<\/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\">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>Le ciel nocturne se charge inexorablement de la lumi\u00e8re des satellites et la com\u00e8te Lemmon n&#8217;y a malheureusement pas \u00e9chapp\u00e9.\u00a0 Rayures lumineuses disgracieuses : Si les images de la com\u00e8te Lemmon rivalisent de beaut\u00e9, celle de Oscar Mart\u00edn Mesonero publi\u00e9e sur Sky a de quoi inqui\u00e9ter. Prise depuis la province de Salamanque (Espagne) le 27 &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/10\/29\/la-comete-lemmon-defiguree-par-les-satellites\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">La com\u00e8te Lemmon d\u00e9figur\u00e9e par les satellites<\/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":21887,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[3813,3849,3091,3859,3858],"class_list":["post-21886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-c-2025-a6-lemmon","tag-comete-lemmon","tag-espagne","tag-oscar-martin-mesonero","tag-province-de-salamanque"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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