{"id":3453,"date":"2013-03-05T18:55:31","date_gmt":"2013-03-05T17:55:31","guid":{"rendered":"http:\/\/www.enigmes-tv.fr\/?p=3453"},"modified":"2013-03-05T18:55:31","modified_gmt":"2013-03-05T17:55:31","slug":"video-du-chant-des-planetes","status":"publish","type":"post","link":"https:\/\/www.publisigma47.fr\/hypno6\/video-du-chant-des-planetes\/","title":{"rendered":"VID\u00c9O – Du chant des plan\u00e8tes…"},"content":{"rendered":"

\"le<\/a><\/h1>\n

… \u00e0 la musique des sph\u00e8res<\/h1>\n

Pythagore expliquait la m\u00e9canique c\u00e9leste cinq si\u00e8cles avant notre \u00e8re en associant \u00e0 chaque plan\u00e8te une note de la gamme. Aujourd\u2019hui, les sondes spatiales transportent des t\u00e9moignages musicaux de notre monde vers d\u2019hypoth\u00e9tiques civilisations.<\/p>\n

<\/p>\n

Aucun son ne peut se propager dans le vide de l’espace. En revanche, les ondes \u00e9lectromagn\u00e9tiques<\/a>, elles, se d\u00e9placent sans probl\u00e8me. Autrement dit, si nous avions des antennes \u00e0 la place des tympans, l’espace ne serait pas aussi silencieux qu’on l’imagine. Nous pourrions notamment entendre dans l’environnement imm\u00e9diat de la Terre un bruit bien particulier.<\/p>\n

Cette transcription sonore a \u00e9t\u00e9 obtenue \u00e0 l’aide de l’instrument EMFISIS<\/a> embarqu\u00e9 sur deux satellites, RBSP-A et B<\/a>, envoy\u00e9s en ao\u00fbt pour \u00e9tudier les orages g\u00e9omagn\u00e9tiques. Cet appareil enregistre les ondes \u00e9lectromagn\u00e9tiques \u00e9mises lorsque des particules charg\u00e9es en provenance du Soleil viennent frapper le champ magn\u00e9tique de la Terre. C’est ce qu’on appelle \u00abl’effet chorus\u00bb. Les fr\u00e9quences de ces ondes, inf\u00e9rieures \u00e0 10 kHz, sont situ\u00e9es dans la gamme des fr\u00e9quences audibles par l’oreille humaine. (source : Le Figaro)<\/p>\n

\n

La Terre enregistr\u00e9e par la Nasa :<\/p>\n

[jwplayer mediaid=\u00a0\u00bb3459″]<\/p>\n

Jupiter avec Ganym\u00e8de en arri\u00e8re plan…
\net 30 minutes du \u00ab\u00a0chant\u00a0\u00bb de Jupiter enregistr\u00e9 par les capteurs \u00e9lectromagn\u00e9tiques de la sonde Voyager !<\/span><\/p>\n

[jwplayer mediaid=\u00a0\u00bb3462″]<\/p>\n

Subtil et myst\u00e9rieux, le \u00ab\u00a0chant\u00a0\u00bb de Saturne…<\/span><\/p>\n

[jwplayer mediaid=\u00a0\u00bb3467″]<\/p>\n

Plus petites, plus lointaines, plus sombres et plus froides, Uranus et Neptune avec 10 minutes de leur \u00ab\u00a0chant\u00a0\u00bb enregistr\u00e9 toujours par Voyager…<\/span><\/p>\n

Uranus:<\/p>\n

[jwplayer mediaid=\u00a0\u00bb3469″]<\/p>\n

Neptune:<\/span><\/p>\n

[jwplayer mediaid=\u00a0\u00bb3471″]<\/p>\n

Et \u00e0 pr\u00e9sent le chant du Soleil :<\/p>\n

[jwplayer mediaid=\u00a0\u00bb3473″]<\/p>\n

Le bruit d’un trou noir :<\/p>\n

[jwplayer mediaid=\u00a0\u00bb3475″]<\/p>\n

Celui d’un pulsar :<\/p>\n

[jwplayer mediaid=\u00a0\u00bb3477″]<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

… \u00e0 la musique des sph\u00e8res Pythagore expliquait la m\u00e9canique c\u00e9leste cinq si\u00e8cles avant notre \u00e8re en associant \u00e0 chaque plan\u00e8te une note de la gamme. Aujourd\u2019hui, les sondes spatiales transportent des t\u00e9moignages musicaux de notre monde vers d\u2019hypoth\u00e9tiques civilisations.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[12,40],"tags":[663,777,788,1339,1370,1465,1745,1747,1877,2193,2586,2781,2836,2884,2962,2980,3434,3482,3700,3828,3836,3842,3843,4043,4146,4175,4258,4308],"class_list":["post-3453","post","type-post","status-publish","format-standard","hentry","category-univers","category-videos","tag-bruit","tag-champ-magnetique","tag-chant-des-planetes","tag-effet-chorus","tag-emfisis","tag-univers","tag-gamme","tag-ganymede","tag-harmoniques-des-spheres","tag-jupiter","tag-mecanique-celeste","tag-musique-des-spheres","tag-neptune","tag-note","tag-ondes-electromagnetiques","tag-orages-geomagnetiques","tag-pulsar","tag-rbsp-a-et-b","tag-satellites","tag-soleil","tag-sonde-voyager","tag-sons-de-lunivers","tag-sons-des-planetes","tag-terre","tag-transcription-sonore","tag-trou-noir","tag-uranus","tag-vide"],"_links":{"self":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/posts\/3453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/comments?post=3453"}],"version-history":[{"count":0,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/posts\/3453\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/media?parent=3453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/categories?post=3453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.publisigma47.fr\/hypno6\/wp-json\/wp\/v2\/tags?post=3453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}