{"id":9602,"date":"2014-05-23T09:17:00","date_gmt":"2014-05-23T09:17:00","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/phobos\/"},"modified":"2025-06-08T22:46:25","modified_gmt":"2025-06-08T20:46:25","slug":"phobos","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/phobos\/","title":{"rendered":"Phobos"},"content":{"rendered":"<p><em>    <\/em> Les news suivantes proviennent du site http:\/\/www.ago.ulg.ac.be\/news . Ses r\u00e9dacteurs sont J. Manfroid et Y. Naz\u00e9 (ULg) et ce site est g\u00e9r\u00e9 par A. Detal (ULg).<\/a><\/p>\n<p><strong>Phobos<\/strong><br \/>\nLes rainures striant la surface du petit satellite martien ont longtemps intrigu\u00e9 les astronomes. L&rsquo;\u00e9tude de nouvelles images acquises par Mars Express sugg\u00e8re qu&rsquo;elles ont \u00e9t\u00e9 produites par les d\u00e9bris \u00e9ject\u00e9s lors de gros impacts sur la Plan\u00e8te Rouge, une ancienne hypoth\u00e8se qui ne fait toujours pas l&rsquo;unanimit\u00e9.<br \/>\n<a href=\"http:\/\/www.space.com\/25971-mars-moon-phobos-grooves-origin.html\" target=\"_BLANK\">http:\/\/www.space.com\/25971-mars-moon-phobos-grooves-origin.html<\/a><\/p>\n<p><strong>Trous noirs<\/strong><br \/>\nLa th\u00e9orie unifi\u00e9e des trous noirs supermassifs veut qu&rsquo;ils soient entour\u00e9s d&rsquo;un nuage opaque de poussi\u00e8re en forme de doughnut, dont l&rsquo;orientation expliquerait leur apparence. L&rsquo;\u00e9tude de 170.000 de ces trous noirs conclut que cette hypoth\u00e8se ne suffit pas en r\u00e9v\u00e9lant des diff\u00e9rences inattendues entre trous noirs cach\u00e9s et non cach\u00e9s.<br \/>\n<a href=\"http:\/\/www.jpl.nasa.gov\/news\/news.php?release=2014-163\" target=\"_BLANK\">http:\/\/www.jpl.nasa.gov\/news\/news.php?release=2014-163<\/a><\/p>\n<p><strong>Amas lointain<\/strong><br \/>\nA dix milliards d&rsquo;ann\u00e9es-lumi\u00e8re, l&rsquo;amas de galaxie JKCS 041 s&rsquo;av\u00e8re l&rsquo;un des plus lointains connus.<br \/>\n<a href=\"https:\/\/carnegiescience.edu\/news\/very_distant_galaxy_cluster_confirmed\" target=\"_BLANK\">https:\/\/carnegiescience.edu\/news\/very_distant_galaxy_cluster_confirmed<\/a><\/p>\n<p><strong>SN 2013cu<\/strong><br \/>\nL&rsquo;apparition de SN 2013cu dans la galaxie UGC 9379 fournit la premi\u00e8re confirmation directe de l&rsquo;explosion d&rsquo;une \u00e9toile de Wolf-Rayet en supernova de type IIb.<br \/>\n<a href=\"http:\/\/newscenter.lbl.gov\/news-releases\/2014\/05\/21\/confirmed-stellar-behemoth-self-destructs-in-a-type-iib-supernova\/\" target=\"_BLANK\">http:\/\/newscenter.lbl.gov\/news-releases\/2014\/05\/21\/confirmed-stellar-behemoth-self-destructs-in-a-type-iib-supernova\/<br \/>\n<\/a><\/p>\n<p><strong>Plan\u00e8tes<\/strong><br \/>\nL&rsquo;ingestion de plan\u00e8tes par les \u00e9toiles modifie leur abondance de fa\u00e7on sensible.<br \/>\n<a href=\"http:\/\/news.vanderbilt.edu\/2014\/05\/earth-eating-stars\/\" target=\"_BLANK\">http:\/\/news.vanderbilt.edu\/2014\/05\/earth-eating-stars\/<\/a><\/p>\n<p><strong>Saturne<\/strong><br \/>\nLes aurores de Saturne sont souvent dues \u00e0 l&rsquo;effondrement de la queue magn\u00e9tique de la plan\u00e8te suite \u00e0 des rafales du vent solaire.<br \/>\n<a href=\"http:\/\/www.alphagalileo.org\/ViewItem.aspx?ItemId=141939&#038;CultureCode=en\" target=\"_BLANK\">http:\/\/www.alphagalileo.org\/ViewItem.aspx?ItemId=141939&#038;CultureCode=en<\/a><\/p>\n<p><strong>Mars<\/strong><br \/>\nDes organismes terrestres simples, les m\u00e9thanog\u00e8nes, pourraient survivre sur Mars.<br \/>\n<a href=\"http:\/\/newswire.uark.edu\/articles\/24365\/earth-organisms-survive-under-martian-conditions\" target=\"_BLANK\">http:\/\/newswire.uark.edu\/articles\/24365\/earth-organisms-survive-under-martian-conditions<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les news suivantes proviennent du site http:\/\/www.ago.ulg.ac.be\/news . Ses r\u00e9dacteurs sont J. Manfroid et Y. Naz\u00e9 (ULg) et ce site est g\u00e9r\u00e9 par A. Detal (ULg). Phobos Les rainures striant la surface du petit satellite martien ont longtemps intrigu\u00e9 les astronomes. L&rsquo;\u00e9tude de nouvelles images acquises par Mars Express sugg\u00e8re qu&rsquo;elles ont \u00e9t\u00e9 produites par [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9602","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=9602"}],"version-history":[{"count":1,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9602\/revisions"}],"predecessor-version":[{"id":12084,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9602\/revisions\/12084"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=9602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=9602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=9602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}