{"id":237799,"date":"2022-11-14T15:39:32","date_gmt":"2022-11-14T20:39:32","guid":{"rendered":"https:\/\/ziliahealth.com\/blog\/spectroscopy-from-the-stars-to-the-eyes\/"},"modified":"2022-11-15T11:42:18","modified_gmt":"2022-11-15T16:42:18","slug":"spectroscopie-etoiles-dans-les-yeux","status":"publish","type":"post","link":"https:\/\/ziliahealth.com\/fr\/blog\/spectroscopie-etoiles-dans-les-yeux\/","title":{"rendered":"Spectroscopie: les \u00e9toiles dans les yeux"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#f7f7f7&Prime; height=\u00a0\u00bb60vh\u00a0\u00bb height_tablet=\u00a0\u00bb80vh\u00a0\u00bb height_phone=\u00a0\u00bb70vh\u00a0\u00bb height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_css_main_element=\u00a0\u00bbposition: relative;\u00a0\u00bb da_disable_devices=\u00a0\u00bboff|off|off\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb da_is_popup=\u00a0\u00bboff\u00a0\u00bb da_exit_intent=\u00a0\u00bboff\u00a0\u00bb da_has_close=\u00a0\u00bbon\u00a0\u00bb da_alt_close=\u00a0\u00bboff\u00a0\u00bb da_dark_close=\u00a0\u00bboff\u00a0\u00bb da_not_modal=\u00a0\u00bbon\u00a0\u00bb da_is_singular=\u00a0\u00bboff\u00a0\u00bb da_with_loader=\u00a0\u00bboff\u00a0\u00bb da_has_shadow=\u00a0\u00bbon\u00a0\u00bb][et_pb_row custom_padding_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb admin_label=\u00a0\u00bbCase Study Row\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; 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text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]Gr\u00e2ce \u00e0 l&rsquo;astrophysique, nous savons que l&rsquo;espace est en expansion, et que plus quelque chose est \u00e9loign\u00e9 d&rsquo;un point choisi, plus il s\u2019\u00e9loigne rapidement. La plupart des non-scientifiques savent que la vitesse de la lumi\u00e8re (VDL) est d&rsquo;environ 300,000 km\/s. Beaucoup savent aussi que l&rsquo;Univers a environ 13.8 milliards d&rsquo;ann\u00e9es.<\/p>\n<p>Compte tenu d&rsquo;un point de d\u00e9part arbitraire, l&rsquo;univers visible devrait donc \u00eatre un globe en expansion, maintenant (logiquement) 27.6 milliards d&rsquo;ann\u00e9es-lumi\u00e8re de large. Pourtant, en r\u00e9alit\u00e9, il serait de 93.016 milliards d&rsquo;ann\u00e9es-lumi\u00e8re de large (et en croissance). L&rsquo;espace lui-m\u00eame est en expansion et c&rsquo;est pourquoi nous utilisons les mots univers visible pour d\u00e9crire ce que nous voyons.<\/p>\n<p>\u00c0 la plus grande distance, l&rsquo;espace s&rsquo;\u00e9tend si rapidement (par rapport \u00e0 nous, o\u00f9 nous sommes en ce moment) qu&rsquo;il d\u00e9passe la vitesse de la lumi\u00e8re, de sorte que les photons \u00e9mis n&rsquo;iront jamais assez vite pour nous atteindre. Ces galaxies au plus loin disparaissent pour nous \u00e0 jamais, m\u00eame si de leur point de vue l&rsquo;espace autour d\u2019elles est normal et que c\u2019est notre galaxie qui vient de dispara\u00eetre, reculant plus vite que la VDL.<\/p>\n<p>Avec cela \u00e0 l&rsquo;esprit, la lumi\u00e8re \u00e9manant de cette distance visible ultime est tellement \u00e9tendue que normalement l&rsquo;ultraviolet invisible a \u00e9t\u00e9 allong\u00e9 \u00e0 travers l&rsquo;espace en expansion jusqu&rsquo;\u00e0 ce qu&rsquo;il ait travers\u00e9 la portion visible du spectre de la lumi\u00e8re. La lumi\u00e8re arrive alors jusqu\u2019\u00e0 nous dans l&rsquo;autre longueur d&rsquo;onde invisible, la bande infrarouge. Nous appelons cet effet le d\u00e9calage vers le rouge.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/11\/Electromagnetic-Spectrum.png\u00a0\u00bb alt=\u00a0\u00bbElectromagnetic Spectrum\u00a0\u00bb show_bottom_space=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1rem\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: right;\">Cr\u00e9dits: NASA, ESA, Leah Hustak (STScI)<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||4px||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h3>T\u00e9l\u00e9scope spatial James Webb<\/h3>\n<p>Le T\u00e9lescope Spatial James Webb (TSJW) est n\u00e9 d&rsquo;une collaboration internationale entre la <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.nasa.gov\/\">NASA<\/a><\/span>, l&rsquo;<span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.esa.int\/\">Agence Spatiale Europ\u00e9enne<\/a><\/span> et l&rsquo;<a href=\"https:\/\/www.asc-csa.gc.ca\/fra\/\"><span style=\"text-decoration: underline;\">Agence Spatiale Canadienne<\/span><\/a>. De nombreux collaborateurs provenant de pays vari\u00e9s ont contribu\u00e9 \u00e0 concevoir et \u00e0 lancer le plus puissant t\u00e9lescope jamais construit.<\/p>\n<p>Le TSJW a \u00e9t\u00e9 d\u00e9velopp\u00e9 pour regarder ces ondes lumineuses proche et moyenne infrarouge afin de nous permettre de voir les objets les plus \u00e9loign\u00e9s de l&rsquo;univers visible. La lumi\u00e8re visible est facilement perturb\u00e9e, absorb\u00e9e, interf\u00e9r\u00e9e et, de mani\u00e8re g\u00e9n\u00e9rale, contamin\u00e9e par toutes sortes de ph\u00e9nom\u00e8nes interstellaires ou intergalactiques. L&rsquo;infrarouge, \u00e9tant une longueur d&rsquo;ondes beaucoup plus longue, peut p\u00e9n\u00e9trer ces obstacles.<\/p>\n<p>Les basses fr\u00e9quences voyagent mieux, tout comme le marin qui rentre des quais dans l&rsquo;obscurit\u00e9 entend ce son \u00e9trange, faible et puls\u00e9. Au fur et \u00e0 mesure qu&rsquo;il se rapproche de sa maison, des fr\u00e9quences de plus en plus \u00e9lev\u00e9es sont entendues jusqu&rsquo;\u00e0 ce qu&rsquo;il reconnaisse enfin le piano jou\u00e9 par sa fille\u2026<\/p>\n<p>Une fois collect\u00e9es, nous pouvons ajuster les fr\u00e9quences lumineuses \u00e0 l&rsquo;endroit o\u00f9 elles se trouvaient \u00e0 l&rsquo;origine sur le spectre afin de pouvoir cr\u00e9er des images en lumi\u00e8re visible. Certaines des parties les plus int\u00e9ressantes sont dans le proche infrarouge (NIR) du spectre \u00e9lectromagn\u00e9tique (d&rsquo;environ 700 \u00e0 2500 nanom\u00e8tres), mais les images les plus anciennes viendront des ondes plus longues du moyen infrarouge plus p\u00e9n\u00e9trant. Le TSJW n&rsquo;a fait que nous surprendre avec chaque image. Le d\u00e9tail est stup\u00e9fiant; l&rsquo;endroit le plus sombre et le plus minuscule du ciel contient des milliers de galaxies; au bord de notre perception, nous pensons que nous avons peut-\u00eatre trouv\u00e9 les plus anciennes galaxies jamais vues \u00e0 z-20 (une mesure \u00e0 d\u00e9calage rouge) les pla\u00e7ant \u00e0 environ 180 millions d&rsquo;ann\u00e9es du Big Bang, le plus proche que nous ayons atteint du d\u00e9but de l&rsquo;univers tel que nous le connaissons.<\/p>\n<h3><\/h3>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/11\/main_image_star-forming_region_carina_nircam_final-5mb-scaled.jpg\u00a0\u00bb alt=\u00a0\u00bbmain_image_star-forming_region_carina_nircam_final-5mb\u00a0\u00bb show_bottom_space=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1rem\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: right;\">Cr\u00e9dits: NASA, ESA, CSA, and STScI<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h3><span style=\"font-size: 1.6rem;\">Spectroscopie<\/span><\/h3>\n<p>Les prouesses du TSJW reposent sur la spectroscopie qui est l\u2019\u00e9tude des spectres des rayonnements \u00e9lectromagn\u00e9tiques \u00e9mis ou absorb\u00e9s par une substance (Larousse).<\/p>\n<p>L&rsquo;une des particularit\u00e9s de cet outil est qu&rsquo;il peut nous d\u00e9voiler quelle lumi\u00e8re est \u00ab\u00a0manquante\u00a0\u00bb. Comme cette lumi\u00e8re ancienne passe \u00e0 travers la poussi\u00e8re et les nuages de gaz sur son chemin vers nous, certaines fr\u00e9quences seront absorb\u00e9es. L&rsquo;image du haut montre quelle lumi\u00e8re a \u00e9t\u00e9 absorb\u00e9e \u00e0 partir d&rsquo;un spectre; la partie inf\u00e9rieure montre la lumi\u00e8re \u00e9mise par cette m\u00eame substance. Cette partie manquante nous dit quels gaz ou mat\u00e9riaux se trouvaient sur le chemin de cette lumi\u00e8re.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/11\/Capture-decran-le-2022-11-10-a-16.22.13.png\u00a0\u00bb alt=\u00a0\u00bbspectroscopy\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin=\u00a0\u00bb30px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>Le d\u00e9calage r\u00e9v\u00e9lateur de ces lignes d&rsquo;identification nous donne des informations utiles suppl\u00e9mentaires. Presque toutes les galaxies s&rsquo;\u00e9loignent de nous, et donc leur motif distinctif de lignes se d\u00e9place vers l&rsquo;extr\u00e9mit\u00e9 rouge du spectre quand la lumi\u00e8re s&rsquo;\u00e9tire par l&rsquo;expansion de l&rsquo;espace d\u00e9crite pr\u00e9c\u00e9demment.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/11\/Graphique.jpg\u00a0\u00bb alt=\u00a0\u00bbgraphique\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin=\u00a0\u00bb30px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>Dans quelques rares cas, comme dans notre groupe local de galaxies, nous sommes li\u00e9s gravitationnellement et <span style=\"font-weight: 400;\">les galaxies se rapprochent les unes des autres<\/span>. Ceci provoque le d\u00e9placement de la lumi\u00e8re vers l&rsquo;extr\u00e9mit\u00e9 bleue du spectre quand les ondes lumineuses sont comprim\u00e9es, d&rsquo;o\u00f9 le nom de d\u00e9calage vers le bleu.<\/p>\n<p>En regardant \u00e0 quel point la lumi\u00e8re est d\u00e9cal\u00e9e vers le rouge, nous pouvons d\u00e9terminer la distance parcourue par la lumi\u00e8re pour nous atteindre. Comme mentionn\u00e9 pr\u00e9c\u00e9demment, la lumi\u00e8re UV des galaxies les plus \u00e9loign\u00e9es a \u00e9t\u00e9 tellement \u00e9tir\u00e9e par ses voyages que sa fr\u00e9quence est maintenant plus basse dans la bande infrarouge. Le TSJW a \u00e9t\u00e9 con\u00e7u pour voir et enregistrer cette lumi\u00e8re afin que nous puissions la replacer dans le spectre des couleurs pour la voir telle qu&rsquo;elle \u00e9tait \u00e0 l&rsquo;origine.<\/p>\n<p>Dans cette illustration simple, un \u00e9chantillon inconnu est chauff\u00e9 jusqu&rsquo;\u00e0 ce qu&rsquo;il commence \u00e0 rayonner de la lumi\u00e8re. Nous passons la lumi\u00e8re r\u00e9sultante \u00e0 travers un prisme pour cr\u00e9er son spectre. On voit alors qu&rsquo;il n&rsquo;y a que deux m\u00e9taux pr\u00e9sents. Les lignes d&rsquo;\u00e9mission sont toujours \u00e0 la m\u00eame distance les unes des autres, de sorte que nous pouvons identifier que l&rsquo;\u00e9chantillon ne contient que ces deux m\u00e9taux par comparaison directe avec les signatures m\u00e9talliques connues.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/11\/metalsfr.png\u00a0\u00bb alt=\u00a0\u00bbmetalsfr\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin=\u00a0\u00bb30px||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p>Appliqu\u00e9s aux lignes d&rsquo;\u00e9mission des \u00e9toiles, nous pouvons obtenir une signature unique pour chaque \u00e9toile, nous indiquant les constituants de cette \u00e9toile et, par l&rsquo;intensit\u00e9 des lignes, quelle quantit\u00e9 de chaque mat\u00e9riau est pr\u00e9sente. Essentiellement, c&rsquo;est l&#8217;empreinte digitale de l&rsquo;\u00e9toile.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/11\/Starsfingerprint.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime; alt=\u00a0\u00bbStarsfingerprint\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb show_bottom_space=\u00a0\u00bboff\u00a0\u00bb custom_margin=\u00a0\u00bb2vh||||false|false\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1rem\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: right;\">Credits: NASA, ESA, Leah Hustak (STScI)<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3>Spectroscopie appliqu\u00e9e \u00e0 la sant\u00e9<\/h3>\n<p>Beaucoup plus proche de nous, la spectroscopie a de multiples applications en m\u00e9decine et peut sauver des vies au quotidien. En oncologie, elle a la capacit\u00e9 de fournir des caract\u00e9ristiques morphologiques et biochimiques des tissus normaux et canc\u00e9reux. En cardiologie, elle peut identifier les cellules spumeuses superficielles dans les plaques coronaires. En pneumologie, elle aide \u00e0 diff\u00e9rencier les l\u00e9sions normales des l\u00e9sions malignes en termes de propri\u00e9t\u00e9s du sang tissulaire.<\/p>\n<p>Plus r\u00e9cemment, les efforts de recherche en m\u00e9decine se d\u00e9placent vers l&rsquo;\u0153il comme une source d&rsquo;informations cl\u00e9es sur de nombreux \u00e9tats de sant\u00e9. En effet, les yeux sont les seuls organes du corps humain o\u00f9 le syst\u00e8me nerveux central et le syst\u00e8me vasculaire sanguin sont visibles. Les m\u00e9dias transparents de l&rsquo;\u0153il permettent la visualisation de la r\u00e9tine in vivo \u00e0 l&rsquo;aide d&rsquo;outils non invasifs tels que la spectroscopie.<\/p>\n<p>Par exemple, Zilia a r\u00e9cemment d\u00e9velopp\u00e9 le <a href=\"https:\/\/ziliahealth.com\/fr\/zilia-ocular\/\"><span style=\"text-decoration: underline;\">Zilia Ocular<\/span><\/a>, une cam\u00e9ra r\u00e9tinienne unique qui utilise la spectroscopie \u00e0 r\u00e9flectance diffuse (SRD). L&rsquo;appareil fonctionne en \u00e9mettant une lumi\u00e8re de faible intensit\u00e9 qui voyage \u00e0 travers les milieux transparents de l&rsquo;\u0153il, r\u00e9fl\u00e9chit sur le fond de l&rsquo;\u0153il avant d&rsquo;\u00eatre analys\u00e9e pour extraire les spectres d&rsquo;absorption de biomarqueurs comme la saturation en oxyg\u00e8ne (i.e. l&rsquo;oxym\u00e9trie).<\/p>\n<p><span style=\"font-weight: 400;\">L\u2019objectif de la mesure de la diffusion de l&rsquo;oxyg\u00e8ne dans les tissus oculaires est d\u2019aider \u00e0 mieux comprendre et identifier les maladies oculaires avant que des dommages ne permanents ne surviennent. La mesure de l\u2019oxyg\u00e9nation pourrait \u00e9galement aider \u00e0 prescrire des th\u00e9rapies plus cibl\u00e9es et \u00e0 d\u00e9velopper de nouveaux m\u00e9dicaments.Cette nouvelle m\u00e9thode jouit d\u2019un grand potentiel en tant qu&rsquo;outil de diagnostic et de prise en charge.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bbrgba(135,210,150,0.26)\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb30px||30px||false|false\u00a0\u00bb border_color_all=\u00a0\u00bb#87d296&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb|20px||20px|false|false\u00a0\u00bb custom_padding_phone=\u00a0\u00bb|20px||20px|false|false\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font=\u00a0\u00bbMontserrat Regular|500|||||||\u00a0\u00bb text_line_height=\u00a0\u00bb1.25em\u00a0\u00bb quote_font=\u00a0\u00bbMontserrat||||||||\u00a0\u00bb quote_text_align=\u00a0\u00bbleft\u00a0\u00bb quote_font_size=\u00a0\u00bb2rem\u00a0\u00bb quote_line_height=\u00a0\u00bb1.4em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1rem\u00a0\u00bb text_font_size_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb text_line_height_tablet=\u00a0\u00bb\u00a0\u00bb text_line_height_phone=\u00a0\u00bb1.28em\u00a0\u00bb text_line_height_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb quote_font_size_tablet=\u00a0\u00bb1.5rem\u00a0\u00bb quote_font_size_phone=\u00a0\u00bb1.4rem\u00a0\u00bb quote_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb quote_line_height_tablet=\u00a0\u00bb\u00a0\u00bb quote_line_height_phone=\u00a0\u00bb\u00a0\u00bb quote_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<blockquote><p>Les m\u00e9dias transparents de l&rsquo;\u0153il permettent la visualisation de la r\u00e9tine in vivo \u00e0 l&rsquo;aide d&rsquo;outils non invasifs tels que la spectroscopie.<\/p><\/blockquote>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb2em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb header_4_line_height_tablet=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_phone=\u00a0\u00bb2em\u00a0\u00bb header_4_line_height_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h3>Conclusion<\/h3>\n<p>Tout comme pour l\u2019\u00e9tude des \u00e9toiles et des galaxies, nous pouvons tirer une tr\u00e8s grande quantit\u00e9 d\u2019informations pr\u00e9cieuses de l\u2019analyse de la lumi\u00e8re provenant du fond de l&rsquo;\u0153il. Et puisque l&rsquo;\u0153il est une fen\u00eatre ouverte sur la sant\u00e9 du corps, nous pouvons y mesurer des marqueurs de sant\u00e9 li\u00e9s \u00e0 une foule de conditions oculaires, neurologiques, cardiaques, et autres. La spectroscopie est au fond une nouvelle mani\u00e8re de faire la lumi\u00e8re sur de nombreux probl\u00e8mes anciens. Nous sommes au d\u00e9but de l\u2019exploration oculaire et Zilia sera \u00e0 l&rsquo;avant-garde de ces d\u00e9couvertes.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb3em||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_divider color=\u00a0\u00bb#87d296&Prime; divider_weight=\u00a0\u00bb1px\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin=\u00a0\u00bb3em||0px||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb3em||0px||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb3em||0px||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_divider][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_3_font=\u00a0\u00bbMontserrat|500|||||||\u00a0\u00bb header_3_text_color=\u00a0\u00bb#5a5a5a\u00a0\u00bb header_3_font_size=\u00a0\u00bb1.6rem\u00a0\u00bb header_3_line_height=\u00a0\u00bb1.6em\u00a0\u00bb header_4_font=\u00a0\u00bbMontserrat|600|||on||||\u00a0\u00bb header_4_text_color=\u00a0\u00bb#5A5A5A\u00a0\u00bb header_4_line_height=\u00a0\u00bb1.6em\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb max_width_tablet=\u00a0\u00bb\u00a0\u00bb max_width_phone=\u00a0\u00bb\u00a0\u00bb max_width_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb0vh||||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1.06rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1.06rem\u00a0\u00bb header_3_font_size_tablet=\u00a0\u00bb\u00a0\u00bb header_3_font_size_phone=\u00a0\u00bb\u00a0\u00bb header_3_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb border_color_top=\u00a0\u00bb#cccccc\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3>Cr\u00e9dits<\/h3>\n<p>Les images et illustrations sont adapt\u00e9es de https:\/\/webbtelescope.org\/resource-gallery[\/et_pb_text][et_pb_divider color=\u00a0\u00bb#87d296&Prime; divider_weight=\u00a0\u00bb1px\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb custom_margin=\u00a0\u00bb3em||0px||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb3em||0px||false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb3em||0px||false|false\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_divider][et_pb_text _builder_version=\u00a0\u00bb4.19.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb max_width=\u00a0\u00bb782px\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb0.95rem\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]R\u00e9dig\u00e9 par l&rsquo;\u00e9quipe Zilia le 14 novembre 2022[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; 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make_equal=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width_tablet=\u00a0\u00bb\u00a0\u00bb width_phone=\u00a0\u00bb90%\u00a0\u00bb width_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||0px||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb3_5&Prime; _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2 style=\"text-align: left;\">Lecture additionnelle<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5&Prime; disabled_on=\u00a0\u00bbon|on|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_css_main_element=\u00a0\u00bbmargin: auto;\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_button button_url=\u00a0\u00bbhttps:\/\/ziliahealth.com\/fr\/blogue\/\u00a0\u00bb button_text=\u00a0\u00bbD\u00e9couvrir d&rsquo;autres articles\u00a0\u00bb button_alignment=\u00a0\u00bbright\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; 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_module_preset=\u00a0\u00bbdefault\u00a0\u00bb transform_scale_tablet=\u00a0\u00bb\u00a0\u00bb transform_scale_phone=\u00a0\u00bb\u00a0\u00bb transform_scale_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb transform_translate=\u00a0\u00bb0px|-20px\u00a0\u00bb transform_translate_tablet=\u00a0\u00bb0px|-10px\u00a0\u00bb transform_translate_phone=\u00a0\u00bb\u00a0\u00bb transform_translate_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb transform_translate_linked=\u00a0\u00bboff\u00a0\u00bb transform_rotate_tablet=\u00a0\u00bb\u00a0\u00bb transform_rotate_phone=\u00a0\u00bb\u00a0\u00bb transform_rotate_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb transform_skew_tablet=\u00a0\u00bb\u00a0\u00bb transform_skew_phone=\u00a0\u00bb\u00a0\u00bb transform_skew_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb transform_origin_tablet=\u00a0\u00bb\u00a0\u00bb transform_origin_phone=\u00a0\u00bb\u00a0\u00bb transform_origin_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb transform_styles_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb width=\u00a0\u00bb40%\u00a0\u00bb width_tablet=\u00a0\u00bb50%\u00a0\u00bb width_phone=\u00a0\u00bb\u00a0\u00bb width_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_margin_tablet=\u00a0\u00bb|||0px|false|false\u00a0\u00bb custom_margin_phone=\u00a0\u00bb\u00a0\u00bb custom_margin_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb custom_padding=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding_phone=\u00a0\u00bb\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb transform_styles_tablet=\u00a0\u00bb\u00a0\u00bb transform_styles_phone=\u00a0\u00bb\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_image src=\u00a0\u00bbhttps:\/\/ziliahealth.com\/wp-content\/uploads\/2022\/05\/ISO-13485_2016.jpg\u00a0\u00bb alt=\u00a0\u00bbISO 13485_2016&Prime; _builder_version=\u00a0\u00bb4.17.4&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width=\u00a0\u00bb40%\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb admin_label=\u00a0\u00bbText\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.4&Prime; text_font=\u00a0\u00bbMontserrat||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.2em\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb custom_margin=\u00a0\u00bb||8px|\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1rem\u00a0\u00bb text_orientation_tablet=\u00a0\u00bb\u00a0\u00bb text_orientation_phone=\u00a0\u00bbcenter\u00a0\u00bb text_orientation_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_css_main_element_last_edited=\u00a0\u00bbon|tablet\u00a0\u00bb]<\/p>\n<p>\u00c0 propos<\/p>\n<p>[\/et_pb_text][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.4&Prime; text_font_size=\u00a0\u00bb0.9rem\u00a0\u00bb text_line_height=\u00a0\u00bb2.5em\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb0.8rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb0.8rem\u00a0\u00bb text_orientation_tablet=\u00a0\u00bb\u00a0\u00bb text_orientation_phone=\u00a0\u00bbcenter\u00a0\u00bb text_orientation_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><a href=\"https:\/\/ziliahealth.com\/fr\/a-propos\/\">Mission<\/a><br \/><a href=\"https:\/\/ziliahealth.com\/fr\/blogue\/\">Blogue<br \/><\/a><a href=\"https:\/\/ziliahealth.com\/fr\/nouvelles\/\">Nouvelles<\/a><br \/><a href=\"https:\/\/ziliahealth.com\/fr\/carrieres\/\">Carri\u00e8res<\/a><br \/><a href=\"https:\/\/ziliahealth.com\/fr\/evenements\/\">\u00c9v\u00e8nements<br \/><\/a><a href=\"https:\/\/ziliahealth.com\/fr\/contact\/\">Contactez-nous<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb admin_label=\u00a0\u00bbText\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; text_font=\u00a0\u00bbMontserrat||||||||\u00a0\u00bb text_font_size=\u00a0\u00bb1.1rem\u00a0\u00bb text_line_height=\u00a0\u00bb1.2em\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb custom_margin=\u00a0\u00bb||8px|\u00a0\u00bb text_font_size_tablet=\u00a0\u00bb1rem\u00a0\u00bb text_font_size_phone=\u00a0\u00bb1rem\u00a0\u00bb text_orientation_tablet=\u00a0\u00bb\u00a0\u00bb text_orientation_phone=\u00a0\u00bbcenter\u00a0\u00bb text_orientation_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p>Solutions<\/p>\n<p>[\/et_pb_text][et_pb_text content_phone=\u00a0\u00bb<\/p>\n<p><a href=%22https:\/\/ziliahealth.com\/solution\/%22>Technology<\/a><br \/> <a href=%22https:\/\/ziliahealth.com\/zilia-ocular\/%22>Zilia Ocular<br \/><\/a><a href=%22https:\/\/ziliahealth.com\/vision-loss\/%22>Vision Loss<\/a><\/p>\n<p>\u00a0\u00bb content_last_edited=\u00a0\u00bboff|desktop\u00a0\u00bb disabled_on=\u00a0\u00bboff|off|off\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; 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La plupart des non-scientifiques savent [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":237744,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","content-type":"","inline_featured_image":false,"footnotes":""},"categories":[17,1],"tags":[208,209,202,204,203,205,206,201,210],"class_list":["post-237799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","category-uncategorized","tag-etoiles","tag-spectroscopie-2","tag-spectroscopy","tag-spectroscopy-fr","tag-stars","tag-stars-fr","tag-telescope-fr","tag-telescope","tag-yeux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spectroscopie: les \u00e9toiles dans les yeux - Zilia<\/title>\n<meta name=\"description\" content=\"Le t\u00e9lescope spatial James Webb est le fruit d\u2019une collaboration internationale visant \u00e0 r\u00e9soudre les myst\u00e8res de notre syst\u00e8me solaire.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ziliahealth.com\/fr\/blog\/spectroscopie-etoiles-dans-les-yeux\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spectroscopie: les \u00e9toiles dans les yeux - 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