{"id":4298,"date":"2020-12-15T11:46:48","date_gmt":"2020-12-15T09:46:48","guid":{"rendered":"http:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/?p=4298"},"modified":"2020-12-15T11:46:48","modified_gmt":"2020-12-15T09:46:48","slug":"la-creation-du-systeme-solaire","status":"publish","type":"post","link":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/2020\/12\/15\/la-creation-du-systeme-solaire\/","title":{"rendered":"La Cr\u00e9ation Du Syst\u00e8me Solaire"},"content":{"rendered":"<p><em><strong>Le syst\u00e8me solaire<\/strong><\/em> a \u00e9t\u00e9 cr\u00e9e il y a plus de 4,6 milliards d&#8217;ann\u00e9es d&#8217;un nuage de gaz et de poussi\u00e8res avec l&#8217;apparition du soleil.<\/p>\n<p>Le syst\u00e8me solaire est apparu au sein d&#8217;une n\u00e9buleuse primitive issue de l&#8217;explosion d&#8217;une supernova. Le syst\u00e8me solaire put \u00eatre cr\u00e9\u00e9 gr\u00e2ce au composants de l&#8217;espace. Il \u00e9tait compos\u00e9 \u00e0 70 <span class=\"ILfuVd NA6bn\"><span class=\"hgKElc\">%<\/span><\/span>&nbsp; l&#8217;hydrog\u00e8ne, de 28 <span class=\"ILfuVd NA6bn\"><span class=\"hgKElc\">% d&#8217;h\u00e9lium et de 2<\/span><\/span> <span class=\"ILfuVd NA6bn\"><span class=\"hgKElc\">%<\/span><\/span> d&#8217;environ tout le reste combin\u00e9. <img decoding=\"async\" class=\"n3VNCb\" src=\"https:\/\/kidiscience.cafe-sciences.org\/wp-content\/uploads\/sites\/13\/2013\/06\/planete-4.jpg\" alt=\"Comment se forment les plan\u00e8tes ? | Kidi'science\" data-noaft=\"1\"\/><\/p>\n<p><em><strong>Le soleil<\/strong><\/em> est cr\u00e9e \u00e0 partir de la fusion d&#8217;un atome de <span class=\"ILfuVd\"><span class=\"hgKElc\">deut\u00e9rium et du tritium<\/span><\/span> pour donner naissance \u00e0 un atome d&#8217;h\u00e9lium mais pour que cela se produise la temp\u00e9rature doit \u00eatre sup\u00e9rieure \u00e0 plusieurs millions de degr\u00e9s, c&#8217;est la fusion nucl\u00e9aire. L&#8217;atome d&#8217;h\u00e9lium est un neutron qui d\u00e9gage continuellement de la chaleur, il continue sa route dans le plasma pour continuer l&#8217;effet de fusion nucl\u00e9aire.<\/p>\n<p><img decoding=\"async\" class=\"n3VNCb\" src=\"https:\/\/miro.medium.com\/max\/3200\/0*FxSBYlg3IN8s0jRF.\" alt=\"La fusion nucl\u00e9aire, \u00e9nergie de demain ou r\u00eave inaccessible ? | by Gregoire Chambaz | Perspectives XXI | Medium\" data-noaft=\"1\"\/><\/p>\n<h3><span style=\"color: #333333\"><em><strong>La cr\u00e9ation des plan\u00e8tes<\/strong><\/em><\/span><\/h3>\n<p>Les plan\u00e8tes se sont cr\u00e9\u00e9es il y a plus de 4,54 milliards d&#8217;ann\u00e9es, c&#8217;est \u00e0 dire environ 600 millions d&#8217;ann\u00e9es plus tard. Les plan\u00e8tes \u00e9taient \u00e0 la base un nuage de particules dispers\u00e9es qui, du fait des attractions gravitationnelles, sont entr\u00e9es en collisions les unes avec les autres donc au fil des ann\u00e9es celles-ci se sont agglom\u00e9r\u00e9es sous un effet chimique pour former des plan\u00e8tes dont notre plan\u00e8te la Terre.<\/p>\n<p><img decoding=\"async\" class=\"n3VNCb\" src=\"https:\/\/kidiscience.cafe-sciences.org\/wp-content\/uploads\/sites\/13\/2013\/06\/planete-4.jpg\" alt=\"Comment se forment les plan\u00e8tes ? | Kidi'science\" data-noaft=\"1\"\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Je vais vous expliquer la cr\u00e9ation et formation de notre Syst\u00e8me Solaire !!<\/p>\n","protected":false},"author":5369,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"_links_to":"","_links_to_target":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/posts\/4298"}],"collection":[{"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/users\/5369"}],"replies":[{"embeddable":true,"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/comments?post=4298"}],"version-history":[{"count":6,"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/posts\/4298\/revisions"}],"predecessor-version":[{"id":4445,"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/posts\/4298\/revisions\/4445"}],"wp:attachment":[{"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/media?parent=4298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/categories?post=4298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/portail.college-laravinedescabris.ac-reunion.fr\/wordpress\/journalrdc\/wp-json\/wp\/v2\/tags?post=4298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}