{"id":1903,"date":"2014-12-21T00:30:01","date_gmt":"2014-12-20T22:30:01","guid":{"rendered":"http:\/\/www.lopunajat.fi\/blogi\/?p=1903"},"modified":"2014-12-21T14:05:27","modified_gmt":"2014-12-21T12:05:27","slug":"20-12-2014","status":"publish","type":"post","link":"https:\/\/lopunajat.fi\/blogi\/20-12-2014\/","title":{"rendered":"20.12.2014: Voimakas auringonpurkaus kohti Maata"},"content":{"rendered":"<p>Lopunajat.fi 20.12.2014:<\/p>\n<p><a href=\"http:\/\/www.lopunajat.fi\/blogi\/wp-content\/uploads\/2014\/12\/2014-12-20-hmi1898.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1909 size-full\" src=\"http:\/\/www.lopunajat.fi\/blogi\/wp-content\/uploads\/2014\/12\/2014-12-20-hmi1898-e1419115385101.gif\" alt=\"2014-12-20-hmi1898\" width=\"474\" height=\"600\" \/><\/a><\/p>\n<p>Intensiivinen X1.8-luokan auringonpurkaus aiheutti useamman tunnin radioliikennekatkoksen 20.12.2014 Australiassa ja Tyynen valtameren alueella alle 10 MHz taajuuksilla.<\/p>\n<p>Auringonpilkusta AR2242 purkauksessa vapautunt r\u00f6ngen- ja utlraviolettis\u00e4teily saavutti Maan vain muutamissa minuutissa.<\/p>\n<p>&nbsp;<\/p>\n<p>&#8221;X-FLARE (UPDATED): Big sunspot AR2242 erupted on Saturday, Dec. 20th @ 00:27 UT, producing an intense X1.8-class solar flare. NASA&#8217;s Solar Dynamics Observatory captured the explosion&#8217;s extreme ultraviolet flash:<\/p>\n<p>A pulse of X-rays and UV radiation from the flare reached Earth minutes after the explosion. This &#8221;solar EMP&#8221; ionized our planet&#8217;s upper atmosphere and blacked out HF radio communications over Australia and the South Pacific. Below 10 MHz, transmissions were strongly attenuated for more than two hours.<\/p>\n<p>The explosion also hurled a CME into space. Click to view a movie of the cloud as recorded by the Solar and Heliospheric Observatory:<\/p>\n<p>Although the instigating flare was Earth-directed, it appears that the CME is not. The bulk of the cloud will sail far south of he sun-Earth line, missing our planet.&#8221;<\/p>\n<p><a title=\"http:\/\/spaceweather.com\/archive.php?view=1&amp;day=20&amp;month=12&amp;year=2014\" href=\"http:\/\/spaceweather.com\/archive.php?view=1&amp;day=20&amp;month=12&amp;year=2014\">http:\/\/spaceweather.com\/archive.php?view=1&#038;day=20&#038;month=12&#038;year=2014<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lopunajat.fi 20.12.2014: Intensiivinen X1.8-luokan auringonpurkaus aiheutti useamman tunnin radioliikennekatkoksen 20.12.2014 Australiassa ja Tyynen valtameren alueella alle 10 MHz taajuuksilla. Auringonpilkusta AR2242 purkauksessa vapautunt r\u00f6ngen- ja utlraviolettis\u00e4teily saavutti Maan vain muutamissa minuutissa. &nbsp; &#8221;X-FLARE (UPDATED): Big sunspot AR2242 erupted on Saturday, Dec. 20th @ 00:27 UT, producing an intense X1.8-class solar flare. NASA&#8217;s Solar Dynamics Observatory [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1903","post","type-post","status-publish","format-standard","hentry","category-yleinen"],"_links":{"self":[{"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/posts\/1903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/comments?post=1903"}],"version-history":[{"count":11,"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/posts\/1903\/revisions"}],"predecessor-version":[{"id":1917,"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/posts\/1903\/revisions\/1917"}],"wp:attachment":[{"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/media?parent=1903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/categories?post=1903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lopunajat.fi\/blogi\/wp-json\/wp\/v2\/tags?post=1903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}