{"id":695489,"date":"2021-07-08T14:00:06","date_gmt":"2021-07-08T18:00:06","guid":{"rendered":"http:\/\/spaceweekly.com\/?p=695489"},"modified":"2021-07-08T14:00:06","modified_gmt":"2021-07-08T18:00:06","slug":"lhaaso-measures-crab-nebula-brightness-yields-new-uhe-gamma-ray-standard","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=695489","title":{"rendered":"LHAASO measures Crab Nebula brightness, yields new UHE gamma-ray standard"},"content":{"rendered":"<p>The Large High Altitude Air Shower Observatory (LHAASO), one of China&#8217;s key national science and technology infrastructure facilities, has accurately measured the brightness over 3.5 orders of magnitude of the standard candle in high-energy astronomy, thus calibrating a new standard for ultra-high-energy (UHE) gamma-ray sources. The standard candle is the famous Crab Nebula, which evolved from the &#8220;guest star&#8221; recorded by the imperial astronomers of China&#8217;s Song Dynasty.&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\n Click here for original story, <a href=\"https:\/\/phys.org\/news\/2021-07-lhaaso-crab-nebula-brightness-yields.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">LHAASO measures Crab Nebula brightness, yields new UHE gamma-ray standard<\/a>&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\nSource: Phys.org&#013;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Large High Altitude Air Shower Observatory (LHAASO), one of China&#8217;s key national science and technology infrastructure facilities, has accurately measured the brightness over 3.5 orders of magnitude of the&hellip; <\/p>\n","protected":false},"author":1,"featured_media":615444,"comment_status":"false","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-695489","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phys-org"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/695489","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=695489"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/695489\/revisions"}],"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=695489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=695489"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=695489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}