{"id":220387,"date":"2014-06-24T11:00:00","date_gmt":"2014-06-24T15:00:00","guid":{"rendered":"d82a06f96f67779577edcc9669dd1fa0"},"modified":"2014-06-24T11:00:00","modified_gmt":"2014-06-24T15:00:00","slug":"perseus-galaxy-cluster","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=220387","title":{"rendered":"Perseus galaxy cluster"},"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\/2014\/06\/perseus_galaxy_cluster\/14591526-1-eng-GB\/Perseus_galaxy_cluster_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nA new study of the Perseus galaxy cluster, shown in this image, and others using Chandra and XMM-Newton has revealed a mysterious X-ray signal in the data. The signal is also seen in over 70 other galaxy clusters using XMM-Newton. This unidentified signal requires further investigation to confirm both its existence and nature, but one possibility is that it represents the decay of \u2018sterile neutrinos\u2019, one proposed candidate to explain dark matter.\n<\/p>\n<p>\nFull story: <a href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Science\/Puzzling_X-rays_point_to_dark_matter\">Puzzling X-rays point to dark matter<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2014\/06\/perseus_galaxy_cluster\/14591526-1-eng-GB\/Perseus_galaxy_cluster_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nA new study of the Perseus galaxy cluster, shown in this image, and others using Chandra and XMM-Newton has revealed a mysterious X-ray signal in the data. The signal is also seen in over 70 other galaxy clusters using XMM-Newton. This unidentified signal requires further investigation to confirm both its existence and nature, but one possibility is that it represents the decay of \u2018sterile neutrinos\u2019, one proposed candidate to explain dark matter.\n<\/p>\n<p>\nFull story: <a href=\"\/Our_Activities\/Space_Science\/Puzzling_X-rays_point_to_dark_matter\">Puzzling X-rays point to dark matter<\/a><\/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-220387","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\/220387","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=220387"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/220387\/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=220387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=220387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=220387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}