{"id":23210,"date":"2026-09-05T15:08:53","date_gmt":"2026-09-05T15:08:53","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=23210"},"modified":"2026-09-05T15:08:53","modified_gmt":"2026-09-05T15:08:53","slug":"que-fait-la-comete-de-halley-sur-la-tapisserie-de-bayeux","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/09\/05\/que-fait-la-comete-de-halley-sur-la-tapisserie-de-bayeux\/","title":{"rendered":"Que fait la com\u00e8te de Halley sur la Tapisserie de Bayeux ?"},"content":{"rendered":"<p><strong>Parmi les multiples d\u00e9tails qui ornent la Tapisserie de Bayeux, figure la com\u00e8te de Halley, dont le passage \u00e0 cette \u00e9poque marqua les esprits.<\/strong><\/p>\n<h5><strong>Frise historique inestimable :\u00a0<\/strong><\/h5>\n<p>Vous avez dit Tapisserie de Bayeux ? Les puristes vous r\u00e9pondront qu&#8217;il s&#8217;agit en r\u00e9alit\u00e9 d&#8217;une broderie (que l&#8217;on peut d\u00e9sormais <a href=\"https:\/\/www.bayeuxmuseum.com\/la-tapisserie-de-bayeux\/decouvrir-la-tapisserie-de-bayeux\/explorer-la-tapisserie-de-bayeux-en-ligne\/?\" target=\"_blank\" rel=\"noopener\">explorer en ligne<\/a>). En effet, elle a \u00e9t\u00e9 cousue sur un tissu pr\u00e9existant. Pour justifier du qualificatif de tapisserie, il aurait fallu que l&#8217;\u0153uvre soit enti\u00e8rement r\u00e9alis\u00e9e sur un m\u00e9tier \u00e0 tisser. Mais de quoi parle-t-on exactement ? D&#8217;une toile de lin longue de 70 m\u00e8tres et large de 50 centim\u00e8tres, brod\u00e9e par on ne sait qui \u00e0 la fin du XIe si\u00e8cle. Elle nous raconte les \u00e9v\u00e9nements qui se sont d\u00e9roul\u00e9s entre Normands et Anglais de 1064 \u00e0 1066. Une fresque historique inestimable, qui s&#8217;ach\u00e8ve par la <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bataille_d%27Hastings\" target=\"_blank\" rel=\"noopener\">bataille d&#8217;Hastings<\/a>, remport\u00e9e par le Normand <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Guillaume_le_Conqu%C3%A9rant\" target=\"_blank\" rel=\"noopener\">Guillaume le Conqu\u00e9rant<\/a> sur <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Harold_Godwinson\" target=\"_blank\" rel=\"noopener\">Harold II d&#8217;Angleterre<\/a> :<\/p>\n<figure id=\"attachment_23211\" aria-describedby=\"caption-attachment-23211\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/tapisserie.jpg\" rel=\"lightbox[23210]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-23211\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/tapisserie-450x270.jpg\" alt=\"\" width=\"450\" height=\"270\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/tapisserie-450x270.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/tapisserie-1024x614.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/tapisserie-768x460.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/tapisserie.jpg 1201w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-23211\" class=\"wp-caption-text\">Extrait de la Tapisserie de Bayeux , sur lequel la com\u00e8te de Halley a \u00e9t\u00e9 repr\u00e9sent\u00e9e comme un mauvais pr\u00e9sage pour Harold II d&#8217;Angleterre. \u00a9 Ville de Bayeux, DRAC Normandie, Universit\u00e9 de Caen, CNRS, Ensicaen, La Fabrique de patrimoines en Normandie.<\/figcaption><\/figure>\n<p>En parcourant la Tapisserie, vous y croiserez pas moins de 623 personnages, 994 animaux, un grand nombre de v\u00e9g\u00e9taux &#8230; et une com\u00e8te !<!--more--><\/p>\n<h5>Spectaculaire passage :<\/h5>\n<p>Si les astronomes sont convaincus qu&#8217;il s&#8217;agit de la <a href=\"https:\/\/cnes.fr\/dossiers\/cometes\" target=\"_blank\" rel=\"noopener\">com\u00e8te de Halley<\/a>, c&#8217;est parce que son passage en 1066 fut exceptionnel. \u00c0 l&#8217;\u00e9poque, elle s&#8217;approcha \u00e0 seulement 15 millions de kilom\u00e8tres de la Terre. Par comparaison, en 1986, elle \u00e9tait \u00e0 63 millions de kilom\u00e8tres :<\/p>\n<figure id=\"attachment_23212\" aria-describedby=\"caption-attachment-23212\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/halley.jpg\" rel=\"lightbox[23210]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-23212\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/halley-450x253.jpg\" alt=\"\" width=\"450\" height=\"253\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/halley-450x253.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/halley-768x431.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2026\/09\/halley.jpg 1020w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-23212\" class=\"wp-caption-text\">En 1986, le passage de la com\u00e8te de Halley (ici depuis l&#8217;Observatoire du Pic du Midi de Bigorre), fut beaucoup moins spectaculaire qu&#8217;en 1066. \u00a9 <a href=\"https:\/\/www.sauzereau.net\/\" target=\"_blank\" rel=\"noopener\">Olivier Sauzereau<\/a>.<\/figcaption><\/figure>\n<p>Pendant quelques nuits du printemps 1066, le noyau de l&#8217;astre chevelu fut aussi lumineux que <a href=\"https:\/\/cnes.fr\/dossiers\/planete-jupiter\" target=\"_blank\" rel=\"noopener\">Jupiter<\/a>. Quant \u00e0 sa queue de gaz et de poussi\u00e8re, elle s\u2019\u00e9tira sur un quart de la vo\u00fbte c\u00e9leste ! Autant dire que, dans un ciel exempt de <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Pollution_lumineuse\" target=\"_blank\" rel=\"noopener\">pollution lumineuse<\/a>, la com\u00e8te ne passa pas inaper\u00e7ue. Et les chroniqueurs ne manqu\u00e8rent pas d&#8217;y voir \u00e0 post\u00e9riori un heureux pr\u00e9sage pour les Normands, malheureux pour les Anglais. Notons d&#8217;ailleurs qu&#8217;\u00e0 l&#8217;\u00e9poque, elle ne s\u2019appelait pas encore com\u00e8te de Halley. Il faudra attendre la fin du XVIIe si\u00e8cle pour qu\u2019elle prenne le nom de l\u2019astronome britannique <a href=\"https:\/\/www.futura-sciences.com\/sciences\/personnalites\/astronomie-edmond-halley-719\/\" target=\"_blank\" rel=\"noopener\">Edmond Halley<\/a>. C\u2019est lui qui d\u00e9terminera sa p\u00e9riodicit\u00e9 (76 ans environ) gr\u00e2ce \u00e0 ses calculs.<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/06\/06\/deces-de-alan-hale-co-decouvreur-de-la-comete-hale-bopp\/\" target=\"_blank\" rel=\"noopener\">Co-d\u00e9couvreur de la com\u00e8te Hale-Bopp, Alan Hale est d\u00e9c\u00e9d\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/05\/14\/spectacle-la-comete-c-2025-r3-panstarrs-du-cote-dorion\/\" target=\"_blank\" rel=\"noopener\">Spectacle : la com\u00e8te C\/2025 R3 (PANSTARRS) du c\u00f4t\u00e9 d\u2019Orion<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/08\/27\/comete-interstellaire-3i-atlas-les-explications-dadrien-coffinet\/\" target=\"_blank\" rel=\"noopener\">Com\u00e8te 3I\/ATLAS : les explications d\u2019Adrien Coffinet<\/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>Parmi les multiples d\u00e9tails qui ornent la Tapisserie de Bayeux, figure la com\u00e8te de Halley, dont le passage \u00e0 cette \u00e9poque marqua les esprits. Frise historique inestimable :\u00a0 Vous avez dit Tapisserie de Bayeux ? Les puristes vous r\u00e9pondront qu&#8217;il s&#8217;agit en r\u00e9alit\u00e9 d&#8217;une broderie (que l&#8217;on peut d\u00e9sormais explorer en ligne). En effet, elle &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2026\/09\/05\/que-fait-la-comete-de-halley-sur-la-tapisserie-de-bayeux\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Que fait la com\u00e8te de Halley sur la Tapisserie de Bayeux ?<\/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":23211,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[4016,786,1018,4015,4017,3151],"class_list":["post-23210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-bataille-dhastings","tag-comete-de-halley","tag-edmond-halley","tag-guillaume-le-conquerant","tag-harold-ii-dangleterre","tag-tapisserie-de-bayeux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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