{"id":32214,"date":"2019-10-31T21:45:42","date_gmt":"2019-10-31T18:45:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/muzyka-pulsarov-ili-kak-zvuchat-bystro-vrashhayushhiesya-nejtronnye-zvyozdy\/"},"modified":"2019-10-31T21:45:42","modified_gmt":"2019-10-31T18:45:42","slug":"muzyka-pulsarov-ili-kak-zvuchat-bystro-vrashhayushhiesya-nejtronnye-zvyozdy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/muzyka-pulsarov-ili-kak-zvuchat-bystro-vrashhayushhiesya-nejtronnye-zvyozdy","title":{"rendered":"\u00abMusique des pulsars\u00bb, ou comment sonnent les \u00e9toiles \u00e0 neutrons en rotation rapide","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La corporation d'\u00c9tat Roscosmos et l'Institut physique P.N. Lebedev de l'Acad\u00e9mie des sciences de Russie (FIAN) ont pr\u00e9sent\u00e9 le projet \u00ab Musique des pulsars \u00bb.<\/p>\n

\"\u00abMusique<\/p>\n

Les pulsars sont des \u00e9toiles \u00e0 neutrons en rotation rapide et de densit\u00e9 extr\u00eamement \u00e9lev\u00e9e. Ils ont une p\u00e9riode de rotation et une modulation de rayonnement arrivant sur Terre.<\/p>\n

Les signaux des pulsars peuvent \u00eatre utilis\u00e9s comme \u00e9talons temporels et rep\u00e8res pour les satellites, et en convertissant leur fr\u00e9quence en ondes sonores, on peut obtenir une musique particuli\u00e8re. C'est ce type de \u00ab m\u00e9lodie \u00bb que des sp\u00e9cialistes russes ont cr\u00e9\u00e9.<\/p>\n

Pour former la \u00ab musique \u00bb, des donn\u00e9es du t\u00e9lescope orbital \u00ab Spectre-R \u00bb ont \u00e9t\u00e9 utilis\u00e9es. Cet appareil, en collaboration avec des radiot\u00e9lescopes terrestres, forme un interf\u00e9rom\u00e8tre radio \u00e0 tr\u00e8s grande base \u2014 la base du projet international \u00ab Radioastron \u00bb. Le t\u00e9lescope a \u00e9t\u00e9 lanc\u00e9 en 2011. Au d\u00e9but de cette ann\u00e9e, une d\u00e9faillance est survenue \u00e0 bord de l'appareil \u00ab Spectre-R \u00bb : l'observatoire ne r\u00e9pondait plus aux commandes. Ainsi, la mission de l'observatoire, semble-t-il, <\/a>est accomplie<\/a><\/noindex>.<\/p>\n

<\/center>
\n\"\u00abMusique<\/p>\n

Il convient de noter qu'au cours de son fonctionnement, le t\u00e9lescope \u00ab Spectre-R \u00bb a permis de recueillir une quantit\u00e9 \u00e9norme d'informations scientifiques importantes. C'est pr\u00e9cis\u00e9ment ces donn\u00e9es qui ont permis de r\u00e9aliser le projet \u00ab Musique des pulsars \u00bb. \u00ab Maintenant, tout le monde peut entendre comment sonne l'\u00ab orchestre \u00bb spatial compos\u00e9 de 26 pulsars, \u00e9tudi\u00e9s par les scientifiques russes sur la base des donn\u00e9es du t\u00e9lescope orbital \u00ab Spectre-R \u00bb et du projet \u00ab Radioastron \u00bb \u00bb, souligne Roscosmos. <\/p>\n

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Source : 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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