{"id":545166,"date":"2018-11-08T12:05:00","date_gmt":"2018-11-08T16:05:00","guid":{"rendered":"https:\/\/spaceweekly.com\/?guid=d5b40de66913b97672b36666dd60dbfe"},"modified":"2018-11-08T12:05:00","modified_gmt":"2018-11-08T16:05:00","slug":"coronal-holes-2","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=545166","title":{"rendered":"Coronal holes"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/11\/coronal_holes\/18881299-1-eng-GB\/Coronal_holes_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nThis image show dramatic dark areas in the Sun&#8217;s corona and was acquired by the SWAP instrument on ESA&#8217;s Proba-2 mission at midday on Wednesday, 7 November.\n<\/p>\n<p>\nThe dark areas are &#8216;coronal holes&#8217;&nbsp;\u2013 areas of open magnetic field in the Sun&#8217;s corona that emit charged particles as high-speed solar wind that spreads into space.&nbsp;\n<\/p>\n<p>\nWhen it reaches Earth, this solar wind can affect the functioning of satellites in orbit.\n<\/p>\n<p>\nThe nice thing is that these are predictable events, as we can see these gaps or holes on the solar disc before the high-speed wind hits Earth.\n<\/p>\n<p>\nESA&#8217;s future <a href=\"http:\/\/www.esa.int\/ESA_Multimedia\/Videos\/2018\/01\/ESA_Lagrange_mission_animation\" title=\"L5 Lagrange mission video\" >Lagrange mission<\/a> will significantly improve our ability to detect these holes and forecast solar wind effects, providing a lead time of three to five days.\n<\/p>\n<p>\n#SolarWarning<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/11\/coronal_holes\/18881299-1-eng-GB\/Coronal_holes_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\"><\/p>\n<p>\nThis image show dramatic dark areas in the Sun&#8217;s corona and was acquired by the SWAP instrument on ESA&#8217;s Proba-2 mission at midday on Wednesday, 7 November.\n<\/p>\n<p>\nThe dark areas are &#8216;coronal holes&#8217;&nbsp;&ndash; areas of open magnetic field in the Sun&#8217;s corona that emit charged particles as high-speed solar wind that spreads into space.&nbsp;\n<\/p>\n<p>\nWhen it reaches Earth, this solar wind can affect the functioning of satellites in orbit.\n<\/p>\n<p>\nThe nice thing is that these are predictable events, as we can see these gaps or holes on the solar disc before the high-speed wind hits Earth.\n<\/p>\n<p>\nESA&#8217;s future <a href=\"http:\/\/www.esa.int\/ESA_Multimedia\/Videos\/2018\/01\/ESA_Lagrange_mission_animation\" title=\"L5 Lagrange mission video\" target=\"_blank\">Lagrange mission<\/a> will significantly improve our ability to detect these holes and forecast solar wind effects, providing a lead time of three to five days.\n<\/p>\n<p>\n#SolarWarning<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-545166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/545166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=545166"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/545166\/revisions"}],"predecessor-version":[{"id":545167,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/545166\/revisions\/545167"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=545166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=545166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=545166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}