{"id":104437,"date":"2026-04-20T11:07:37","date_gmt":"2026-04-20T11:07:37","guid":{"rendered":"https:\/\/www.africa-press.net\/cameroun\/politique\/observation-des-etoiles-filantes-eta-aquarides-2026"},"modified":"2026-05-06T11:35:07","modified_gmt":"2026-05-06T11:35:07","slug":"observation-des-etoiles-filantes-eta-aquarides-2026","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/cameroun\/toutes-les-actualites\/observation-des-etoiles-filantes-eta-aquarides-2026","title":{"rendered":"Observation Des \u00c9toiles Filantes \u00cata Aquarides 2026"},"content":{"rendered":"<p><span class=\"ap-article-header-tag\"> <strong>Africa-Press &#8211; Cameroun. <\/strong> <\/span>Actif du 19 avril au 28 mai 2026, l\u2019essaim d\u2019e\u0301toiles filantes des E\u0302ta aquarides est connu pour sa rapidite\u0301: ses me\u0301te\u0301ores traversent l\u2019atmosphe\u0300re a\u0300 environ 65 kilome\u0300tres par seconde. Mais contrairement a\u0300 d\u2019autres pluies spectaculaires, son intensite\u0301 reste mode\u0301re\u0301e sous nos latitudes. Dans l\u2019he\u0301misphe\u0300re Nord, notamment en Europe, on peut espe\u0301rer observer entre 10 et 30 me\u0301te\u0301ores par heure au maximum, souvent moins en pratique.<\/p>\n<p>A\u0300 titre de comparaison, les ce\u0301le\u0300bres Perse\u0301ides d\u2019aou\u0302t peuvent atteindre plus d\u2019une centaine d\u2019e\u0301toiles filantes par heure. En 2026, le pic d\u2019activite\u0301 est attendu dans la nuit du 5 au 6 mai.<\/p>\n<p><b>S&rsquo;allonger sur le sol pour observer la pluie d&rsquo;e\u0301toiles filantes<\/b><\/p>\n<p>Il va donc falloir s\u2019armer de patience pour observer les E\u0302ta aquarides, tout en espe\u0301rant que la me\u0301te\u0301o, et surtout la Lune, ne ga\u0302chent pas le spectacle. Car cette anne\u0301e, une Lune gibbeuse de\u0301croissante tre\u0300s lumineuse (plus de 80 % d\u2019e\u0301clairement) risque de masquer les me\u0301te\u0301ores les plus faibles.<\/p>\n<p>Pour maximiser ses chances, il est conseille\u0301 d\u2019observer juste avant l\u2019aube, autour de 4 heures du matin, lorsque le radiant est le plus haut dans le ciel. L\u2019ide\u0301al reste de s\u2019e\u0301loigner des lumie\u0300res urbaines, de s\u2019allonger sur le dos, les pieds oriente\u0301s vers l\u2019est, et de balayer le ciel du regard.<\/p>\n<p>Comme le rappelle la Nasa, \u00ab\u00a0apre\u0300s environ 30 minutes dans l\u2019obscurite\u0301, vos yeux s\u2019habituent et vous commencez a\u0300 voir davantage de me\u0301te\u0301ores\u00a0\u00bb: la patience reste la meilleure allie\u0301e de l\u2019observateur.<\/p>\n<p><b>Une origine dans la constellation du Verseau<\/b><\/p>\n<p>Les E\u0302ta aquarides tirent leur nom de leur position apparente dans le ciel: les me\u0301te\u0301ores semblent provenir de la constellation du Verseau, pre\u0300s de l\u2019e\u0301toile Eta Aquarii.<\/p>\n<p>Si celle-ci est difficile a\u0300 repe\u0301rer, un bon point de de\u0301part consiste a\u0300 localiser le Grand carre\u0301 de Pe\u0301gase, voisin ce\u0301leste bien plus visible.<\/p>\n<p>Me\u0302me si les e\u0301toiles filantes peuvent apparai\u0302tre partout dans le ciel, cette zone constitue le radiant, c\u2019est-a\u0300-dire le point d\u2019origine apparent de l\u2019essaim.<\/p>\n<p><b>Un essaim associe\u0301 au passage de la come\u0300te de Halley<\/b><\/p>\n<p>Les premie\u0300res observations de cet essaim remontent a\u0300 l\u2019an 401, mais ce n\u2019est qu\u2019en 1870 que l\u2019astronome britannique George Lyon Tupman l\u2019identifie formellement.<\/p>\n<p>Quelques anne\u0301es plus tard, les scientifiques e\u0301tablissent son lien avec la ce\u0301le\u0300bre come\u0300te de Halley (1P\/Halley).<\/p>\n<p>Cette come\u0300te, dont le retour a e\u0301te\u0301 pre\u0301dit de\u0300s 1705 par Edmond Halley, effectue une re\u0301volution autour du Soleil tous les 76 ans. Son prochain passage est attendu en 2061.<\/p>\n<p>Les E\u0302ta aquarides sont ainsi le re\u0301sultat du nuage de poussie\u0300res laisse\u0301 sur son orbite, que la Terre traverse chaque printemps: ces minuscules de\u0301bris, en entrant dans l\u2019atmosphe\u0300re, produisent les trai\u0302ne\u0301es lumineuses observe\u0301es depuis le sol.<\/p>\n<p class=\"ap-article-footer-note\">Retrouvez plus d\u2019actualit\u00e9s et d\u2019analyses sur <span class=\"ap-highlight-country\">Cameroun<\/span> sur le site <span class=\"ap-highlight-brand\">Africa Press<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Cameroun. Actif du 19 avril au 28 mai 2026, l\u2019essaim d\u2019e\u0301toiles filantes des E\u0302ta aquarides est connu pour sa rapidite\u0301: ses me\u0301te\u0301ores traversent l\u2019atmosphe\u0300re a\u0300 environ 65 kilome\u0300tres par seconde. Mais contrairement a\u0300 d\u2019autres pluies spectaculaires, son intensite\u0301 reste mode\u0301re\u0301e sous nos latitudes. Dans l\u2019he\u0301misphe\u0300re Nord, notamment en Europe, on peut espe\u0301rer observer [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":104435,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[49],"class_list":["post-104437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-cameroun"],"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>Observation Des \u00c9toiles Filantes \u00cata Aquarides 2026 - Cameroun<\/title>\n<meta name=\"description\" content=\"-article-header-tag&quot;&gt; Africa-Press - Cameroun. 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