{"id":2087,"date":"2009-04-10T11:07:58","date_gmt":"2009-04-10T10:07:58","guid":{"rendered":"http:\/\/www.climatemonitor.it\/?p=2087"},"modified":"2009-04-10T11:07:58","modified_gmt":"2009-04-10T10:07:58","slug":"nubi-e-raggi-cosmici-al-cern","status":"publish","type":"post","link":"https:\/\/www.climatemonitor.it\/?p=2087","title":{"rendered":"Nubi e raggi cosmici al CERN"},"content":{"rendered":"<p><a href=\"http:\/\/www.climatemonitor.it\/wp-content\/uploads\/2009\/04\/cloud_logo_t.jpg\"><\/a><\/p>\n<p><a href=\"http:\/\/www.climatemonitor.it\/wp-content\/uploads\/2009\/04\/cloud_logo_t.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2089\" title=\"cloud_logo_t\" src=\"http:\/\/www.climatemonitor.it\/wp-content\/uploads\/2009\/04\/cloud_logo_t.jpg\" alt=\"\" width=\"237\" height=\"130\" align=\"left\" \/><\/a><\/p>\n<p>Tra qualche mese comincer\u00c3\u00a0 la fase cruciale di un esperimento molto interessante al CERN di Ginevra. Si tratta del <a title=\"Comunicato Stampa\" href=\"http:\/\/press.web.cern.ch\/press\/PressReleases\/Releases2006\/PR14.06E.html\" target=\"_blank\">CLOUD Esperiment<\/a> (Cosmics Leaving OUtdoor Droplets), con il quale ci si propone di approfondire la conoscenza su uno degli aspetti pi\u00c3\u00b9 controversi della scienza del clima.<\/p>\n<p>Ad oggi il fattore limitante pi\u00c3\u00b9 incisivo sull&#8217;attendibilit\u00c3\u00a0 delle simulazioni climatiche \u00c3\u00a8 il comportamento delle nubi, con riferimento alla loro formazione alla loro tipologia e, ovviamente contenuto di vapore. In questi processi\u00c2\u00a0si pensa che i raggi cosmici, cio\u00c3\u00a8 quelle particelle cariche che\u00c2\u00a0bombardano la Terra proveniendo dallo spazio,\u00c2\u00a0possano avere un ruolo molto importante ma, sin qui, le verifiche sperimentali non hanno fatto molta chiarezza. Riunendo studiosi da ben diciotto istituti di ricerca di nove diverse nazioni si tenter\u00c3\u00a0 di fornire delle risposte a molti degli interrogativi su questo argomento.<\/p>\n<p>Sfruttando le potenzialit\u00c3\u00a0 del nuovo acceleratore sar\u00c3\u00a0 inviato un fascio di particelle in\u00c2\u00a0 una camera di reazione per studiarne gli effetti sugli aerosol, ovvero su quei piccoli nuclei di materia indispensabili per la formazione delle goccioline in condizioni di saturazione del vapore acqueo. Questo dovrebbe fornire molte informazioni sulla microfisica delle nubi, di cui in effetti si sa ancora molto poco.<\/p>\n<p>A <a href=\"http:\/\/cdsweb.cern.ch\/record\/1143872\/?ln=it\" target=\"_blank\">questo link<\/a> \u00c3\u00a8 possibile vedere un filmato molto interessante strutturato in due parti e realizzato da Jasper Kirby che illustra i contenuti dell&#8217;esperimento e mette in evidenza quanto ancora ci sia da scoprire sull&#8217;influenza che lo spazio esterno -sole compreso-\u00c2\u00a0ha sulle dinamiche del nostro pianeta. <a href=\"http:\/\/cloud.web.cern.ch\/cloud\/documents_cloud\/cloud_proposal.pdf\" target=\"_blank\">Qui<\/a> invece trovate il documento che spiega quali siano gli intendimenti di questo progetto di ricerca.<\/p>\n<p>Buona visione e buona lettura.<a href=\"http:\/\/www.climatemonitor.it\/wp-content\/uploads\/2009\/04\/cloud_logo_t.jpg\"><\/a><\/p>\n<div class=\"linkwithin_hook\" id=\"https:\/\/www.climatemonitor.it\/?p=2087\"><\/div><script>\n<!-- 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Si tratta del CLOUD Esperiment (Cosmics Leaving OUtdoor Droplets),&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/www.climatemonitor.it\/?p=2087\">Leggi tutto<span class=\"screen-reader-text\">Nubi e raggi cosmici al CERN<\/span><\/a><\/div>\n<script>\n<!-- \/\/LinkWithinCodeStart\nvar linkwithin_site_id = 1804759;\nvar linkwithin_div_class = \"linkwithin_hook\";\n\/\/LinkWithinCodeEnd -->\n<\/script>\n<script src=\"http:\/\/www.linkwithin.com\/widget.js\"><\/script>\n<a href=\"http:\/\/www.linkwithin.com\/\"><img decoding=\"async\" src=\"http:\/\/www.linkwithin.com\/pixel.png\" alt=\"Related Posts Plugin for WordPress, Blogger...\" style=\"border: 0\" \/><\/a>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[247],"tags":[383,388,166,389,3579,17],"coauthors":[],"class_list":["post-2087","post","type-post","status-publish","format-standard","hentry","category-news","tag-aerosol","tag-cern","tag-cosmic-rays","tag-nubi","tag-sole","tag-vapore-acqueo","entry"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=\/wp\/v2\/posts\/2087","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2087"}],"version-history":[{"count":0,"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=\/wp\/v2\/posts\/2087\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2087"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.climatemonitor.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcoauthors&post=2087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}