{"id":3925619,"date":"2026-04-23T21:02:02","date_gmt":"2026-04-24T02:02:02","guid":{"rendered":"http:\/\/mikedyess.info\/para\/3i-atlas-contains-30-times-more-semi-heavy-water-than-comets-in-our-solar-system\/"},"modified":"2026-04-23T21:02:02","modified_gmt":"2026-04-24T02:02:02","slug":"3i-atlas-contains-30-times-more-semi-heavy-water-than-comets-in-our-solar-system","status":"publish","type":"post","link":"http:\/\/mikedyess.info\/para\/3i-atlas-contains-30-times-more-semi-heavy-water-than-comets-in-our-solar-system\/","title":{"rendered":"3I\/ATLAS contains 30 times more semi-heavy water than comets in our solar system"},"content":{"rendered":"<div>New observations of the interstellar comet 3I\/ATLAS include the first measurement of the abundance of deuterated water relative to ordinary water in an interstellar object. Astronomers using the Atacama Large Millimeter\/submillimeter Array (ALMA) discovered that the interstellar comet 3I\/ATLAS is made of an astonishingly high ratio of semi-heavy water relative to water, indicating that its system of origin likely formed under conditions far colder than our own. The findings are published in Nature Astronomy.<\/div>\n<p><a target=\"_blank\" href=\"https:\/\/phys.org\/news\/2026-04-3iatlas-semi-heavy-comets-solar.html\" target=\"_blank\">Go to Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>New observations of the interstellar comet 3I\/ATLAS include the first measurement of the abundance of deuterated water relative to ordinary water in an interstellar object. Astronomers using the Atacama Large Millimeter\/submillimeter Array (ALMA) discovered that the interstellar comet 3I\/ATLAS is made of an astonishingly high ratio of semi-heavy water relative to water, indicating that its [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-3925619","post","type-post","status-publish","format-standard","hentry","category-astronomy","odd"],"_links":{"self":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3925619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/comments?post=3925619"}],"version-history":[{"count":0,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3925619\/revisions"}],"wp:attachment":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/media?parent=3925619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/categories?post=3925619"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/tags?post=3925619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}