{"id":621810,"date":"2025-12-09T08:42:18","date_gmt":"2025-12-09T08:42:18","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/621810\/"},"modified":"2025-12-09T08:42:18","modified_gmt":"2025-12-09T08:42:18","slug":"xrism-finds-chlorine-potassium-in-cas-a","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/621810\/","title":{"rendered":"XRISM Finds Chlorine, Potassium in Cas A"},"content":{"rendered":"<p>The Cassiopeia A supernova remnant glows in X-ray, visible, and infrared light in this Jan. 8, 2024, image that combines data from NASA\u2019s Chandra X-ray Observatory and Hubble, Webb, and Spitzer space telescopes. A study by the XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft has made the first-ever X-ray detections of chlorine and potassium from the wreckage; a paper about the result was published Dec. 4, 2025, in Nature Astronomy.<\/p>\n<p><a href=\"https:\/\/science.nasa.gov\/missions\/xrism\/nasa-jaxa-xrism-finds-elemental-bounty-in-supernova-remnant\/\" rel=\"noopener\" target=\"_blank\">Read more about this discovery.<\/a><\/p>\n<p>Image credit: X-ray: NASA\/CXC\/SAO; Optical: NASA\/ESA\/STScI; IR: NASA\/ESA\/CSA\/STScI\/Milisavljevic et al., NASA\/JPL\/CalTech; Image Processing: NASA\/CXC\/SAO\/J. Schmidt and K. Arcand<\/p>\n","protected":false},"excerpt":{"rendered":"The Cassiopeia A supernova remnant glows in X-ray, visible, and infrared light in this Jan. 8, 2024, image&hellip;\n","protected":false},"author":2,"featured_media":621811,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3844],"tags":[70,413,16,15],"class_list":{"0":"post-621810","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-science","9":"tag-space","10":"tag-uk","11":"tag-united-kingdom"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/115688724969076083","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/621810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=621810"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/621810\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/621811"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=621810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=621810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=621810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}