Mystic Mountain - Orion PX<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.orionpx.fr\/project\/blog\/mystic-mountain\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mystic Mountain - Orion PX\" \/>\n<meta property=\"og:description\" content=\"Ce sapin de No\u00ebl monumental, constitu\u00e9 de gaz tels que l’hydrog\u00e8ne, est surnomm\u00e9 Mystic Mountain (la montagne mystique en fran\u00e7ais). Il s’agit d’un d\u00e9tail de la gigantesque n\u00e9buleuse de la Car\u00e8ne qui est visible depuis l’h\u00e9misph\u00e8re sud, dans la constellation de la Car\u00e8ne. Elle se trouve entre\u00a06500 et 10000 ann\u00e9es lumi\u00e8re de la Terre, et … Lire la suite\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.orionpx.fr\/project\/blog\/mystic-mountain\/\" \/>\n<meta property=\"og:site_name\" content=\"Orion PX\" \/>\n<meta property=\"article:published_time\" content=\"2015-12-24T09:55:45+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/12\/HH_901_and_HH_902_in_the_Carina_nebula_captured_by_the_Hubble_Space_Telescope-1024x943.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"943\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"C.P. Rigel\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"C.P. 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Rigel","date":"20 janvier 2016","format":false,"excerpt":"Il est l'\u00e9l\u00e9ment le plus simple et le plus l\u00e9ger de la nature.\u00a0Il est parmi les premiers \u00e0 avoir \u00e9t\u00e9 engendr\u00e9 par le Big Bang.\u00a0Il est la principale source d'\u00e9nergie des \u00e9toiles, et il est le plus abondant dans l'univers. Pourtant, l'hydrog\u00e8ne\u00a0est loin d'occuper la premi\u00e8re place dans notre vie\u2026","rel":"","context":"Dans "Science & Technologie"","block_context":{"text":"Science & Technologie","link":"https:\/\/www.orionpx.fr\/project\/blog\/category\/divers\/science\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/hydrogene-plasma.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/hydrogene-plasma.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/hydrogene-plasma.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/hydrogene-plasma.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/hydrogene-plasma.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/hydrogene-plasma.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":809,"url":"https:\/\/www.orionpx.fr\/project\/blog\/les-etoiles-qui-sont-elles\/","url_meta":{"origin":1781,"position":4},"title":"Les \u00e9toiles: Qui sont-elles ?","author":"C.P. Rigel","date":"1 avril 2015","format":false,"excerpt":"Elles sont si nombreuse et si pr\u00e9sentes dans le ciel nocturne, qu'on en oublie parfois leur v\u00e9ritable nature. Les \u00e9toiles n'ont cess\u00e9 de fasciner nos anc\u00eatres, et furent le sujet de bien des l\u00e9gendes. Observ\u00e9 sans cesse, leurs mouvements particuliers sur la vo\u00fbte c\u00e9leste intrigua. Tous les peuples de la\u2026","rel":"","context":"Dans "Espace & Astrophysique"","block_context":{"text":"Espace & Astrophysique","link":"https:\/\/www.orionpx.fr\/project\/blog\/category\/divers\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/02\/sky2_1552774i.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/02\/sky2_1552774i.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/02\/sky2_1552774i.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":1629,"url":"https:\/\/www.orionpx.fr\/project\/blog\/les-cataclysmes-cosmiques\/","url_meta":{"origin":1781,"position":5},"title":"Les cataclysmes cosmiques","author":"C.P. Rigel","date":"15 octobre 2015","format":false,"excerpt":"Le 16 juillet 1945, au beau milieu du d\u00e9sert du Nouveau-Mexique, explosait la toute premi\u00e8re bombe \u00e0 fission nucl\u00e9aire. D\u00e9gageant une puissance de 21 kilotonnes, soit 87 864 Gigajoules. Ce jour l\u00e0, l'humanit\u00e9 eut un exemple concret de la quantit\u00e9 d'\u00e9nergie que pouvait contenir la mati\u00e8re. Et m\u00eame si ces\u2026","rel":"","context":"Dans "Espace & Astrophysique"","block_context":{"text":"Espace & Astrophysique","link":"https:\/\/www.orionpx.fr\/project\/blog\/category\/divers\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/sun-outer-space-stars-explosions-planets-last-supernova-1440x1080-wallpaper.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/sun-outer-space-stars-explosions-planets-last-supernova-1440x1080-wallpaper.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/sun-outer-space-stars-explosions-planets-last-supernova-1440x1080-wallpaper.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/sun-outer-space-stars-explosions-planets-last-supernova-1440x1080-wallpaper.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/sun-outer-space-stars-explosions-planets-last-supernova-1440x1080-wallpaper.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.orionpx.fr\/project\/blog\/wp-content\/uploads\/2015\/10\/sun-outer-space-stars-explosions-planets-last-supernova-1440x1080-wallpaper.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/posts\/1781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/comments?post=1781"}],"version-history":[{"count":4,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/posts\/1781\/revisions"}],"predecessor-version":[{"id":1786,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/posts\/1781\/revisions\/1786"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/media\/1782"}],"wp:attachment":[{"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/media?parent=1781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/categories?post=1781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.orionpx.fr\/project\/blog\/wp-json\/wp\/v2\/tags?post=1781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

$\"D\u00e9tail$

D\u00e9tail de la n\u00e9buleuse de la Car\u00e8ne
(Cr\u00e9dit: Hubble\/NASA<\/a>)<\/i><\/p><\/div>\n

Ce sapin de No\u00ebl monumental, constitu\u00e9 de gaz tels que l’hydrog\u00e8ne, est surnomm\u00e9 Mystic Mountain (la montagne mystique en fran\u00e7ais). Il s’agit d’un d\u00e9tail de la gigantesque n\u00e9buleuse de la Car\u00e8ne qui est visible depuis l’h\u00e9misph\u00e8re sud, dans la constellation de la Car\u00e8ne. Elle se trouve entre\u00a06500 et 10000 ann\u00e9es lumi\u00e8re de la Terre, et son pilier central mesure 3\u00a0 A.L<\/a>.\u00a0Les jets de gaz visibles sur ses pointes sont dus \u00e0 des \u00e9toiles en cours de formation. Cette n\u00e9buleuse est l’une des plus brillante de la voie lact\u00e9e, et elle est connue pour abriter une \u00e9toile variable hyperg\u00e9ante bleue extr\u00eamement lumineuse (5 millions de fois la luminosit\u00e9 du Soleil)\u00a0nomm\u00e9e\u00a0 Eta Carinae<\/a>. Observable depuis des latitudes tr\u00e8s\u00a0australes, cette \u00e9toile\u00a0a la particularit\u00e9 d’avoir subi une explosion titanesque\u00a0dont la lumi\u00e8re nous est parvenue il y a 150 ans.<\/p>\n","protected":false},"excerpt":{"rendered":"