{"id":1071,"date":"2009-05-10T13:25:21","date_gmt":"2009-05-10T12:25:21","guid":{"rendered":"https:\/\/www.siegfriedhagl.com\/?page_id=1071"},"modified":"2021-12-01T14:40:58","modified_gmt":"2021-12-01T13:40:58","slug":"ein-impakt-im-jahr-2039","status":"publish","type":"post","link":"https:\/\/www.siegfriedhagl.com\/it\/scienza\/un-impatto-nellanno-2039\/","title":{"rendered":"Un impatto nel 2039?"},"content":{"rendered":"

<\/p>\n\n\n

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(Pubblicato su GralsWelt 14\/2000)<\/p>\n<\/blockquote>\n

In Grail World n. 9 abbiamo riportato sotto il titolo "Morte dallo spazio<\/a>" (qui sotto "Scienza") sulla possibilit\u00e0 teorica di un impatto, ovvero la collisione della nostra terra con un pianeta minore o una cometa.<\/p>\n

Nel maggio 1999, i media hanno riferito che il minuscolo pianeta NEO 1999AN10 si sarebbe avvicinato pericolosamente alla Terra e che un impatto doveva essere temuto anche nel 2039.<\/p>\n

I NEO (Near Earth Orbiter) sono asteroidi che attraversano l'orbita terrestre e possono quindi entrare in collisione con il nostro pianeta. Tali oggetti sono stati ricercati per diversi anni, poich\u00e9 \u00e8 prevalsa l'opinione che gli impatti si siano verificati in passato e che tali catastrofi non possano essere escluse per il futuro.<\/p>\n

NEO 1999AN10 \u00e8 stato scoperto il 13 gennaio 1999. Il suo periodo orbitale \u00e8 di circa 2 anni e nei prossimi decenni si avviciner\u00e0 pi\u00f9 volte, ad esempio nel 2027 e nel 2039. Gli attuali calcoli dell'orbita sono soggetti ad alcune incertezze, ma gli astronomi ritengono che il rischio di un impatto nei prossimi quattro decenni sia estremamente basso. Una tale collisione avrebbe quindi solo una probabilit\u00e0 di 1:10 nel periodo specificato12<\/sup> (Uno su un trilione) c'era da aspettarselo. \u00c8 molto meno dell'1 possibilit\u00e0 su 10 di entrare in collisione con un planetoide o una cometa precedentemente sconosciuti5<\/sup> (Uno su centomila) all'anno.\u00a0<\/p>\n

Per ulteriori informazioni, visitare: http:impact.arc.nasa.gov\/news\/1999\/apr\/21.html.<\/p>","protected":false},"excerpt":{"rendered":"

(Ver\u00f6ffentlicht in GralsWelt 14\/2000) In der GralsWelt Nr. 9 berichteten wir unter der \u00dcberschrift \u201eDer Tod aus dem All“ (hier unter „Wissenschaft“) \u00fcber die theoretische M\u00f6glichkeit eines Impakts, also des Zusammensto\u00dfes unserer Erde mit einem Klein\u00adplaneten oder Kometen. Im Mai 1999 ging dann eine Meldung durch die Medien, dass der Kleinstplanet NEO 1999AN10 der Erde […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-1071","post","type-post","status-publish","format-standard","hentry","category-wissenschaft"],"yoast_head":"\nEin Impakt im Jahr 2039 ? – SiegfriedHagl.com<\/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.siegfriedhagl.com\/it\/scienza\/un-impatto-nellanno-2039\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ein Impakt im Jahr 2039 ? – SiegfriedHagl.com\" \/>\n<meta property=\"og:description\" content=\"(Ver\u00f6ffentlicht in GralsWelt 14\/2000) In der GralsWelt Nr. 9 berichteten wir unter der \u00dcberschrift \u201eDer Tod aus dem All“ (hier unter „Wissenschaft“) \u00fcber die theoretische M\u00f6glichkeit eines Impakts, also des Zusammensto\u00dfes unserer Erde mit einem Klein\u00adplaneten oder Kometen. 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