{"id":118952,"date":"2026-05-06T00:50:21","date_gmt":"2026-05-06T00:50:21","guid":{"rendered":"https:\/\/www.europesays.com\/ch-fr\/118952\/"},"modified":"2026-05-06T00:50:21","modified_gmt":"2026-05-06T00:50:21","slug":"un-minuscule-monde-aux-confins-du-systeme-solaire-intrigue-les-astronomes","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ch-fr\/118952\/","title":{"rendered":"Un minuscule monde aux confins du Syst\u00e8me solaire intrigue les astronomes"},"content":{"rendered":"\n<p>Des astronomes japonais suspectent la pr\u00e9sence d\u2019une atmosph\u00e8re sur un petit corps rocheux glac\u00e9 au-del\u00e0 de Pluton, situ\u00e9 \u00e0 6 milliards de kilom\u00e8tres du soleil. Les scientifiques pensaient cela impossible.<\/p>\n<p>      <img src=\"https:\/\/www.europesays.com\/ch-fr\/wp-content\/uploads\/2026\/05\/710341678-highres.jpg\"   alt=\"Cette image fournie par l'Observatoire astronomique national du Japon montre une repr\u00e9sentation de l'objet transneptunien (612533) 2002 XV93 occultant une \u00e9toile en arri\u00e8re-plan.\" draggable=\"false\" loading=\"eager\" decoding=\"async\" data-picture=\"true\" class=\"no-class nuxt-aio-img nolazyLoad\" data-v-32c1ed04=\"\"\/> <\/p>\n<p>\n              Cette image fournie par l&rsquo;Observatoire astronomique national du Japon montre une repr\u00e9sentation de l&rsquo;objet transneptunien (612533) 2002 XV93 occultant une \u00e9toile en arri\u00e8re-plan.\n            <\/p>\n<p>              KEYSTONE\/Ko Arimatsu\/NAOJ via AP<\/p>\n","protected":false},"excerpt":{"rendered":"Des astronomes japonais suspectent la pr\u00e9sence d\u2019une atmosph\u00e8re sur un petit corps rocheux glac\u00e9 au-del\u00e0 de Pluton, situ\u00e9&hellip;\n","protected":false},"author":2,"featured_media":118953,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[1242,854,61,57,59,58,23,672,60,62],"class_list":{"0":"post-118952","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sciences-et-technologies","8":"tag-fait-divers","9":"tag-me-donner-du-contexte","10":"tag-science","11":"tag-science-and-technology","12":"tag-sciences","13":"tag-sciences-et-technologies","14":"tag-suisse","15":"tag-sujet-developpe","16":"tag-technologies","17":"tag-technology"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ch_fr\/116524890490833547","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts\/118952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/comments?post=118952"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/posts\/118952\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/media\/118953"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/media?parent=118952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/categories?post=118952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ch-fr\/wp-json\/wp\/v2\/tags?post=118952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}