{"id":2314,"date":"2021-08-25T10:44:10","date_gmt":"2021-08-25T09:44:10","guid":{"rendered":"http:\/\/astroaspach.fr\/astroaspachV2\/?p=2314"},"modified":"2021-08-25T10:45:02","modified_gmt":"2021-08-25T09:45:02","slug":"maquette-transit-dexoplanetes","status":"publish","type":"post","link":"http:\/\/astroaspach.fr\/astroaspachV2\/2021\/08\/25\/maquette-transit-dexoplanetes\/","title":{"rendered":"Maquette \u00ab\u00a0Transit d&rsquo;exoplan\u00e8tes\u00a0\u00bb"},"content":{"rendered":"<p><a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2316 alignleft\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii-300x203.jpg\" alt=\"\" width=\"300\" height=\"203\" srcset=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii-300x203.jpg 300w, http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii.jpg 580w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u00a0<\/p>\n<p>Il existe plusieurs m\u00e9thodes pour d\u00e9tecter des exoplan\u00e8tes gravitant autour d&rsquo;\u00e9toiles autres que le soleil. La m\u00e9thode du transit\u00a0 consiste \u00e0 d\u00e9tecter des baisses de luminosit\u00e9 d&rsquo;une \u00e9toile, lorsque la plan\u00e8te passe exactement entre nous et l&rsquo;\u00e9toile.<\/p>\n<p>\u00a0<\/p>\n<p>\u00c9tienne a r\u00e9alis\u00e9 une maquette, repr\u00e9sentant trois plan\u00e8tes en gravitation autour d&rsquo;une \u00e9toile repr\u00e9sent\u00e9e par une ampoule. Sur la gauche de la vid\u00e9o, un capteur de lumi\u00e8re, mesurant l&rsquo;intensit\u00e9 lumineuse re\u00e7ue. Celle ci varie en fonction du passage des boules devant la lampe. On voit cette baisse d&rsquo;intensit\u00e9 sur la courbe affich\u00e9e sur l&rsquo;\u00e9cran de l&rsquo;ordinateur.\u00a0\u00a0<\/p>\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-2314-1\" width=\"640\" height=\"480\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/Maquette-Transit_comp100.mp4?_=1\" \/><a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/Maquette-Transit_comp100.mp4\">http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/Maquette-Transit_comp100.mp4<\/a><\/video><\/div>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2316\" src=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii-300x203.jpg\" alt=\"\" width=\"100\" height=\"68\" srcset=\"http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii-300x203.jpg 300w, http:\/\/astroaspach.fr\/astroaspachV2\/wp-content\/uploads\/2021\/08\/transit-planete-institute-astronomy-university-hawaii.jpg 580w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/a><\/p>\n<p>Il existe plusieurs m\u00e9thodes pour d\u00e9tecter des exoplan\u00e8tes gravitant autour d&rsquo;\u00e9toiles autres que le soleil. La m\u00e9thode du transit\u00a0 consiste \u00e0 d\u00e9tecter des baisses de luminosit\u00e9 d&rsquo;une \u00e9toile, lorsque la plan\u00e8te passe exactement entre nous et l&rsquo;\u00e9toile.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2314","post","type-post","status-publish","format-standard","hentry","category-nos-animations"],"_links":{"self":[{"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts\/2314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/comments?post=2314"}],"version-history":[{"count":7,"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts\/2314\/revisions"}],"predecessor-version":[{"id":2323,"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/posts\/2314\/revisions\/2323"}],"wp:attachment":[{"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/media?parent=2314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/categories?post=2314"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/astroaspach.fr\/astroaspachV2\/wp-json\/wp\/v2\/tags?post=2314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}