{"id":16866,"date":"2023-07-18T12:30:24","date_gmt":"2023-07-18T12:30:24","guid":{"rendered":"https:\/\/dekkbi.com\/?p=16866"},"modified":"2023-07-18T12:31:21","modified_gmt":"2023-07-18T12:31:21","slug":"personne-ne-lavait-vu-venir-un-asteroide-repere-deux-jours-apres-avoir-frole-la-terre","status":"publish","type":"post","link":"https:\/\/dekkbi.com\/?p=16866","title":{"rendered":"Un ast\u00e9ro\u00efde rep\u00e9r\u00e9 deux jours apr\u00e8s avoir \u201cfr\u00f4l\u00e9\u201d la Terre"},"content":{"rendered":"\n<p>Ni vu, ni connu, un ast\u00e9ro\u00efde est pass\u00e9 entre la Terre et la Lune jeudi dernier. Cette d\u00e9couverte a \u00e9t\u00e9 faite deux jours plus tard \u00e0 cause de la trajectoire de 2023-NT1, qui a approch\u00e9 notre plan\u00e8te en ayant le Soleil dans son dos.<\/p>\n\n\n\n<p>L\u2019ast\u00e9ro\u00efde, baptis\u00e9 2023-NT1, qui mesure pr\u00e8s de soixante m\u00e8tres de diam\u00e8tre, est pass\u00e9 \u00e0 100.000 kilom\u00e8tres de la Terre le 13 juillet, une distance \u00e9quivalente \u00e0 un quart de celle qui s\u00e9pare notre plan\u00e8te et la Lune. Mais l\u2019objet, qui effectue 11.000 kilom\u00e8tres par seconde, a approch\u00e9 notre plan\u00e8te en ayant le Soleil dans son dos. C\u2019est pourquoi il a \u00e9t\u00e9 d\u00e9couvert&#8230; deux jours apr\u00e8s son passage. \u201cCach\u00e9s dans l\u2019\u00e9clat de notre Soleil se trouvent un nombre inconnu d\u2019ast\u00e9roides qui sont sur des trajectoires que nous ne pouvons pas suivre\u201d, rappelle l\u2019Agence spatiale europ\u00e9enne.<\/p>\n\n\n\n<p>L\u2019ESA a d\u2019ailleurs lanc\u00e9 une mission (NEOMIR) pour d\u00e9tecter d\u2019ici 2030 ces ast\u00e9roides \u201cinvisibles\u201d. En 2013, \u00e0 Chelyabinsk, en Russie, une m\u00e9t\u00e9orite s\u2019est abattue sur l\u2019Oural, faisant pr\u00e8s d\u2019un millier de bless\u00e9s. \u201cPersonne ne l\u2019avait vu venir. Statistiquement, les ast\u00e9ro\u00efdes de cette taille frappent la Terre une fois tous les 50\/100 ans\u201d, souligne l\u2019ESA.<\/p>\n\n\n\n<p>En moyenne, un ast\u00e9ro\u00efde d\u2019un m\u00e8tre de diam\u00e8tre frappe la Terre toutes les deux semaines. Mais ils ne font pas de d\u00e9g\u00e2ts, car ils se d\u00e9sint\u00e8grent dans l\u2019atmosph\u00e8re.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ni vu, ni connu, un ast\u00e9ro\u00efde est pass\u00e9 entre la Terre et la Lune jeudi dernier. Cette d\u00e9couverte a \u00e9t\u00e9<\/p>\n","protected":false},"author":1,"featured_media":16870,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-16866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologie"],"_links":{"self":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts\/16866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16866"}],"version-history":[{"count":2,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts\/16866\/revisions"}],"predecessor-version":[{"id":16872,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts\/16866\/revisions\/16872"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/media\/16870"}],"wp:attachment":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}