{"id":851,"date":"2019-08-10T17:25:14","date_gmt":"2019-08-10T15:25:14","guid":{"rendered":"http:\/\/masdeminge\/caussemots\/?page_id=851"},"modified":"2023-01-05T18:03:47","modified_gmt":"2023-01-05T17:03:47","slug":"les-objets-du-ciel-profond","status":"publish","type":"page","link":"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/les-objets-du-ciel-profond\/","title":{"rendered":"Les objets du ciel profond"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Source d&rsquo;informations :<\/strong><\/span><\/p>\n<h6><em>Astronomie du Ciel Profond<\/em> de Serge Brunier, \u00e9dition Dunod 1988<\/h6>\n<h6>Livre ancien d\u00e9nich\u00e9 \u00e0 <em>la Bouquinerie des Arcades<\/em> \u00e0 Saint Giron en Ari\u00e8ge<\/h6>\n<h6><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Les \u00e9toiles<\/strong> <\/span><\/h6>\n<p>Les \u00e9toiles constituent pratiquement 90 % de la masse visible de l&rsquo;Univers. La mati\u00e8re interstellaire, gaz et poussi\u00e8res, constituent les 10 %restants, sous forme de n\u00e9buleuses.<\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/etoiles\/\">Quelques belles \u00e9toiles<\/a><\/p>\n<p><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Les amas ouverts<\/strong> <\/span><\/p>\n<p>Groupes d&rsquo;\u00e9toiles n\u00e9es simultan\u00e9ment d&rsquo;un m\u00eame nuage de gaz.\u00a0 Un amas ouvert peut-\u00eatre constitu\u00e9 d&rsquo;une dizaine d&rsquo;\u00e9toiles, jusqu&rsquo;\u00e0 plus de 500 \u00e9toiles<\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/amas-des-pleiades\/\">L&rsquo;amas des Pl\u00e9iades<\/a><\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/double-amas-de-persee\/\">Le double amas de Pers\u00e9e<\/a><\/p>\n<p><strong><span style=\"font-size: 14pt; color: #0000ff;\">Les n\u00e9buleuses plan\u00e9taires <\/span><\/strong><\/p>\n<p>Ce sont des coquilles de gaz, expuls\u00e9es par certaines \u00e9toiles, en g\u00e9n\u00e9rale des g\u00e9antes rouges au cours de leur \u00e9volution stellaire.<\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/nebuleuse-de-lhaltere\/\">N\u00e9buleuse de l&rsquo;Halt\u00e8re\u00a0<\/a><\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/nebuleuse-de-la-lyre\/\">N\u00e9buleuse de la Lyre<\/a><\/p>\n<p><strong><span style=\"font-size: 14pt; color: #0000ff;\">Les n\u00e9buleuses diffuses <\/span><\/strong><\/p>\n<p>Ces nuages interstellaires sont de grandes voiles de gaz et de poussi\u00e8res amorphes, au sein desquels naissent des \u00e9toiles, par contraction gravitationnelle.<\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/orion\/\">N\u00e9buleuse d&rsquo;Orion<\/a><\/p>\n<p><span style=\"color: #0000ff;\"><strong><span style=\"font-size: 14pt;\">Les amas globulaires<\/span> <\/strong><\/span><\/p>\n<p>Aur\u00e9olant notre galaxie, formant une vaste sph\u00e8re autour du disque aplati de celle-ci. Les amas globulaires sont des objets tr\u00e8s vieux, de l&rsquo;\u00e2ge de notre galaxie, de douze \u00e0 quinze milliards d&rsquo;ann\u00e9es. Ils comptent plusieurs centaines de milliers\u00a0 \u00e0 quelques millions d&rsquo;\u00e9toiles.<\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/amas-dhercule\/\">L&rsquo;amas d&rsquo;Hercule<\/a><\/p>\n<p><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Les\u00a0 galaxies<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\">Elles peuplent l&rsquo;Univers par milliards. S\u00e9par\u00e9es par des distances inimaginables, elles sont peupl\u00e9es &#8211; comme notre galaxie <em>La <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Voie_lact%C3%A9e\">Voie Lact\u00e9e<\/a><\/em> &#8211; d&rsquo;\u00e9toiles, de n\u00e9buleuses et d&rsquo;amas. On voit \u00e0 l\u2019\u0153il nu notre <em>La Voie Lact\u00e9e<\/em>, cette bande laiteuse qui traverse le ciel, disque aplati que nous voyons de l&rsquo;int\u00e9rieur. <em>La Galaxie d&rsquo;Androm\u00e8de<\/em> est une autre galaxie bien visible dans le ciel avec des jumelles : c&rsquo;est notre proche voisine \u00e0 deux millions d&rsquo;ann\u00e9es lumi\u00e8res.<\/p>\n<p><a href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/galaxie-dandromede\/\">La galaxie d&rsquo;Androm\u00e8de<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source d&rsquo;informations : Astronomie du Ciel Profond de Serge Brunier, \u00e9dition Dunod 1988 Livre ancien d\u00e9nich\u00e9 \u00e0 la Bouquinerie des Arcades \u00e0 Saint Giron en Ari\u00e8ge Les \u00e9toiles Les \u00e9toiles constituent pratiquement 90 % de la masse visible de l&rsquo;Univers. <a class=\"more-link\" href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/les-objets-du-ciel-profond\/\">Lire plus &#8230;<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-851","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les objets du ciel profond - L&#039;observatoire du Causse...mots<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/motsdaubepine.fr\/caussemots\/index.php\/les-objets-du-ciel-profond\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les objets du ciel profond - L&#039;observatoire du Causse...mots\" \/>\n<meta property=\"og:description\" content=\"Source d&rsquo;informations : Astronomie du Ciel Profond de Serge Brunier, \u00e9dition Dunod 1988 Livre ancien d\u00e9nich\u00e9 \u00e0 la Bouquinerie des Arcades \u00e0 Saint Giron en Ari\u00e8ge Les \u00e9toiles Les \u00e9toiles constituent pratiquement 90 % de la masse visible de l&rsquo;Univers. 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