{"id":48761,"date":"2026-04-21T11:23:37","date_gmt":"2026-04-21T11:23:37","guid":{"rendered":"https:\/\/www.africa-press.net\/togo\/politique\/lyrides-2026-quand-observer-cette-pluie-detoiles"},"modified":"2026-05-06T11:56:10","modified_gmt":"2026-05-06T11:56:10","slug":"lyrides-2026-quand-observer-cette-pluie-detoiles","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/togo\/toutes-les-actualites\/lyrides-2026-quand-observer-cette-pluie-detoiles","title":{"rendered":"Lyrides 2026: Quand Observer Cette Pluie D&rsquo;E\u0301toiles"},"content":{"rendered":"<p><span class=\"ap-article-header-tag\"> <strong>Africa-Press &#8211; Togo. <\/strong> <\/span>Des poussie\u0300res de come\u0300tes. Chaque e\u0301toile filante qui strie le ciel nocturne n\u2019est autre qu\u2019un minuscule fragment cosmique se consumant dans l\u2019atmosphe\u0300re terrestre. En 2026, la pluie des Lyrides est active du 14 au 30 avril, avec un pic attendu le 22 avril en de\u0301but de soire\u0301e (vers 21h40 heure de Paris). Mais en pratique, les meilleures observations auront lieu dans la nuit du 22 au 23 avril, surtout apre\u0300s minuit jusqu\u2019a\u0300 l\u2019aube, lorsque le point d\u2019origine des me\u0301te\u0301ores monte dans le ciel.<\/p>\n<p>Dans de bonnes conditions (loin des lumie\u0300res urbaines), il sera possible d\u2019observer 15 a\u0300 20 e\u0301toiles filantes par heure, avec parfois des sursauts impre\u0301visibles. Autre bonne nouvelle: la Lune, en croissant, restera relativement discre\u0300te cette anne\u0301e et ne devrait pas trop ge\u0302ner l\u2019observation.<\/p>\n<p><b>Comment bien observer les Lyrides?<\/b><\/p>\n<p>Nul besoin de te\u0301lescope: les e\u0301toiles filantes se regardent a\u0300 l\u2019\u0153il nu. Quelques conseils simples a\u0300 suivre:<\/p>\n<p>privile\u0301gier un ciel sombre, loin de la pollution lumineuse<\/p>\n<p>laisser ses yeux s\u2019habituer a\u0300 l\u2019obscurite\u0301 pendant 20 minutes<\/p>\n<p>regarder une large portion du ciel pluto\u0302t que fixer le radiant<\/p>\n<p>Le spectacle est parfois discret, mais il re\u0301compense la patience: les Lyrides sont connues pour leurs e\u0301clairs soudains d\u2019activite\u0301, capables d\u2019illuminer brie\u0300vement la nuit.<\/p>\n<p><b>Une pluie d\u2019e\u0301toiles filantes vieille de 2700 ans !<\/b><\/p>\n<p>Les Lyrides ne sont pas une de\u0301couverte re\u0301cente. Des archives chinoises mentionnent de\u0301ja\u0300 ce phe\u0301nome\u0300ne il y a pre\u0300s de 2700 ans, de\u0301crivant un ciel ou\u0300 \u00ab\u00a0les e\u0301toiles tombent comme la pluie\u00a0\u00bb. Leur nom vient de leur radiant, c\u2019est-a\u0300-dire le point du ciel d\u2019ou\u0300 semblent provenir les me\u0301te\u0301ores \u2014 un simple effet de perspective. Celui-ci se situe dans la constellation de la Lyre, pre\u0300s de l\u2019e\u0301toile brillante Ve\u0301ga, me\u0302me s\u2019il de\u0301rive le\u0301ge\u0300rement vers Hercule au fil des nuits.<\/p>\n<p>A l\u2019origine de ce spectacle, une come\u0300te discre\u0300te: C\/1861 G1, dite Thatcher, de\u0301couverte au XIXe sie\u0300cle. En s\u2019approchant du Soleil, elle libe\u0300re gaz et poussie\u0300res, formant une trai\u0302ne\u0301e que la Terre traverse chaque anne\u0301e. Les particules, parfois a\u0300 peine plus grosses qu\u2019un grain de sable, entrent dans l\u2019atmosphe\u0300re a\u0300 pre\u0300s de 48 km\/s, s\u2019e\u0301chauffent et produisent ces trai\u0302ne\u0301es lumineuses e\u0301phe\u0301me\u0300res.<\/p>\n<p>La come\u0300te elle-me\u0302me reste invisible aujourd\u2019hui: avec une pe\u0301riode orbitale d\u2019environ 415 ans, elle ne reviendra dans notre voisinage qu\u2019en&#8230; 2276.<\/p>\n<p class=\"ap-article-footer-note\">Retrouvez plus d\u2019actualit\u00e9s et d\u2019analyses sur <span class=\"ap-highlight-country\">Togo<\/span> sur le site <span class=\"ap-highlight-brand\">Africa Press<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Togo. Des poussie\u0300res de come\u0300tes. Chaque e\u0301toile filante qui strie le ciel nocturne n\u2019est autre qu\u2019un minuscule fragment cosmique se consumant dans l\u2019atmosphe\u0300re terrestre. En 2026, la pluie des Lyrides est active du 14 au 30 avril, avec un pic attendu le 22 avril en de\u0301but de soire\u0301e (vers 21h40 heure de Paris). [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":48760,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[50],"class_list":["post-48761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-togo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Lyrides 2026: Quand Observer Cette Pluie D&#039;E\u0301toiles - Togo<\/title>\n<meta name=\"description\" content=\"-article-header-tag&quot;&gt; Africa-Press - Togo. Des poussie\u0300res de come\u0300tes. 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