{"id":417454,"date":"2017-12-13T10:44:49","date_gmt":"2017-12-13T14:44:49","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20170011680"},"modified":"2017-12-13T10:44:49","modified_gmt":"2017-12-13T14:44:49","slug":"invisibility-of-solar-active-region-umbra-to-umbra-coronal-loops-new-evidence-that-magnetoconvection-drives-solar-stellar-coronal-heating","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=417454","title":{"rendered":"Invisibility of Solar Active Region Umbra-to-Umbra Coronal Loops: New Evidence that Magnetoconvection Drives Solar-Stellar Coronal Heating"},"content":{"rendered":"<p>Abstract: Coronal heating generally increases with increasing magnetic field strength: the EUV\/X-ray corona in active regions is 10&#8211;100 times more luminous and 2&#8211;4 times hotter than that in quiet regions and coronal holes, which are heated to only about 1.5 MK, and have fields that are 10&#8211;100 times weaker than that in active regions. From a comparison of a nonlinear force-free model of the three-dimensional active region coronal field to observed extreme-ultraviolet loops, we find that (1) umbra-to-&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Coronal heating generally increases with increasing magnetic field strength: the EUV\/X-ray corona in active regions is 10&#8211;100 times more luminous and 2&#8211;4 times hotter than that in quiet regions and coronal holes, which are heated to only ab&#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-417454","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/417454","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\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=417454"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/417454\/revisions"}],"predecessor-version":[{"id":417455,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/417454\/revisions\/417455"}],"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=417454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=417454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=417454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}