{"id":2180,"date":"2026-04-01T20:49:15","date_gmt":"2026-04-01T18:49:15","guid":{"rendered":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m13\/"},"modified":"2026-04-01T20:49:15","modified_gmt":"2026-04-01T18:49:15","slug":"m13","status":"publish","type":"messier_object","link":"https:\/\/voyage-astrophoto.fr\/index.php\/messier\/m13\/","title":{"rendered":"M13 &#8211; Grand Amas d\\&rsquo;Hercule"},"content":{"rendered":"<p>Situ\u00e9 \u00e0 environ 25 100 ann\u00e9es-lumi\u00e8re, M13 est l\\&rsquo;objet de r\u00e9f\u00e9rence du ciel profond.[6] D\u00e9couvert par Edmond Halley, il a \u00e9t\u00e9 la cible du message radio d\\&rsquo;Arecibo en 1974 vers d\\&rsquo;\u00e9ventuelles civilisations extraterrestres.[4] Il contient environ 300 000 \u00e9toiles dans une sph\u00e8re de 145 ann\u00e9es-lumi\u00e8re de diam\u00e8tre. Sa densit\u00e9 centrale est telle que les \u00e9toiles y sont distantes de seulement quelques mois-lumi\u00e8re.[3, 2]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-2180","messier_object","type-messier_object","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object\/2180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/messier_object"}],"about":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/types\/messier_object"}],"wp:attachment":[{"href":"https:\/\/voyage-astrophoto.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}