{"id":593,"date":"2012-07-12T22:28:42","date_gmt":"2012-07-12T21:28:42","guid":{"rendered":"http:\/\/www.wetter-center.de\/blog\/?p=593"},"modified":"2012-09-05T12:57:16","modified_gmt":"2012-09-05T11:57:16","slug":"die-gerausche-der-polarlichter","status":"publish","type":"post","link":"https:\/\/www.wetter-center.de\/blog\/die-gerausche-der-polarlichter\/","title":{"rendered":"Die Ger\u00e4usche der Polarlichter"},"content":{"rendered":"<p>Machen Polarlichter Ger\u00e4usche? Ja! Forscher der Aalto Universit\u00e4t in Finnland haben jetzt <a href=\"http:\/\/www.sciencedaily.com\/releases\/2012\/07\/120709093048.htm\" target=\"_blank\">herausgefunden<\/a>, dass diese Ger\u00e4usche, die in der Wissenschaft lange Zeit f\u00fcr Hirngespinste gehalten wurden, in sehr geringer H\u00f6he entstehen, in dem konkreten Fall in etwa 70 Meter H\u00f6he.<\/p>\n<p>Um dies herauszufinden, installierten die Forscher drei unabh\u00e4ngige <strong>Mikrofone<\/strong> an dem Ort, wo die Ger\u00e4usche w\u00e4hrend eines Polarlichtereignisses beobachtet wurden. Damit lie\u00df sich die Ger\u00e4uschquelle lokalisieren. Das Finnische Meteorologische Institut f\u00fchrte zeitgleich elektromagnetische Messungen durch.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.wetter-center.de\/blog\/wp-content\/uploads\/2012\/07\/aurora_space.jpg\" width=\"450\" alt=\"Polarlicht von der ISS beobachtet\" \/><\/p>\n<p>Damit konnte wissenschaftlich bewiesen werden, dass die Ger\u00e4usche, die w\u00e4hrend des Polarlichts zu h\u00f6ren waren, auch von diesem verursacht werden. Bisher nahm man an, dass das Polarlicht viel zu weit weg ist. Wie genau die Ger\u00e4usche entstehen, ist allerdings noch unklar. Entweder sind die von der Sonne kommenden <strong>energetischen Partikel<\/strong> daf\u00fcr verantwortlich oder die <strong>geomagnetischen St\u00f6rungen<\/strong>, die von ihnen verursacht werden und bis in Bodenn\u00e4he vordringen.<\/p>\n<p>Die Ger\u00e4usche, die immer sehr leise sind und sich entweder wie ein <strong>Geknister<\/strong>, ein dumpfes <strong>Klappen<\/strong> oder wie ein <strong>Sprudelger\u00e4usch<\/strong> anh\u00f6ren, sind nicht st\u00e4ndig zu h\u00f6ren, sondern treten immer nur kurzzeitig auf. Wegen der unterschiedlichen Art der Ger\u00e4usche vermuten die Forscher auch unterschiedliche Entstehungsmechanismen.<\/p>\n<p>-w-<\/p>\n<p>Holen Sie sich doch die wunderbaren Polarlichter in die Wohnung in Form einer Fototapete oder als <a href=\"http:\/\/www.abc-fotorollo.de\" target=\"_blank\">Fotorollo<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Machen Polarlichter Ger\u00e4usche? Ja! Forscher der Aalto Universit\u00e4t in Finnland haben jetzt herausgefunden, dass diese Ger\u00e4usche, die in der Wissenschaft lange Zeit f\u00fcr Hirngespinste gehalten wurden, in sehr geringer H\u00f6he entstehen, in dem konkreten&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-593","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Die Ger\u00e4usche der Polarlichter - Wetter-Center.de<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wetter-center.de\/blog\/die-gerausche-der-polarlichter\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Die Ger\u00e4usche der Polarlichter - Wetter-Center.de\" \/>\n<meta property=\"og:description\" content=\"Machen Polarlichter Ger\u00e4usche? 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