{"id":18997,"date":"2025-04-08T15:52:53","date_gmt":"2025-04-08T13:52:53","guid":{"rendered":"https:\/\/reperes-astro.fr\/?p=18997"},"modified":"2025-05-01T12:40:48","modified_gmt":"2025-05-01T10:40:48","slug":"actualites-du-ciel-et-de-lespace-mars-2025","status":"publish","type":"post","link":"https:\/\/reperes-astro.fr\/actualites-du-ciel-et-de-lespace-mars-2025\/","title":{"rendered":"Actualit\u00e9s du Ciel et de l\u2019Espace : Mars 2025"},"content":{"rendered":"\n<p>Retrouvez dans cet article des actualit\u00e9s et quelques faits marquants du ciel et de l\u2019espace de Mars 2025.<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>En route vers Jupiter, Lucy survole son deuxi\u00e8me ast\u00e9ro\u00efde, un corps c\u00e9leste complexe<\/strong>.<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Lanc\u00e9e en octobre 2021, la sonde Lucy doit explorer les ast\u00e9ro\u00efdes troyens de Jupiter, des corps qui partagent la m\u00eame orbite qu\u2019une plan\u00e8te mais se situent juste devant ou juste derri\u00e8re elle. Sur sa route tortueuse, avec une\u00a0trajectoire en forme de \u00ab\u00a0bretzel\u00a0\u00bb,\u00a0la sonde devait croiser deux ast\u00e9ro\u00efdes de la ceinture principale d&rsquo;ast\u00e9ro\u00efdes, situ\u00e9e entre Mars et Jupiter.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.sciencesetavenir.fr\/espace\/systeme-solaire\/en-route-vers-jupiter-lucy-survole-son-deuxieme-asteroide-un-corps-celeste-complexe_185533?actId=%7EaOMeMIqHVnZb9vJ3U1WIokWiTO9RCjJZzXReMUEygyV3wgDeL_8HRUjZZ8y6_syzJ1XpXhXCb5nTZpmham88l3_CyVDGKqBCILiMwQNgyiHnaesLkoYLaPQ%3D%3D&amp;actCampaignType=CAMPAIGN_MAIL&amp;actSource=509782#xtor=EPR-2-[SEADerMin]-20250428\">SciencesEtAvenir.fr<\/a>.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/asteroide-donaldjohanson.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/asteroide-donaldjohanson-300x225.jpg\" alt=\"\" class=\"wp-image-19563\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/asteroide-donaldjohanson-300x225.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/asteroide-donaldjohanson-768x575.jpg 768w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/asteroide-donaldjohanson.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Saturne, reine des lunes&nbsp;: 128 nouveaux satellites d\u00e9couverts !<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d2fd1146c07-saturn-irregular-moon-orbits-tilted-annotated-2025.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d2fd1146c07-saturn-irregular-moon-orbits-tilted-annotated-2025-300x225.jpg\" alt=\"actualit\u00e9s espace mars 2025\" class=\"wp-image-18900\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d2fd1146c07-saturn-irregular-moon-orbits-tilted-annotated-2025-300x225.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d2fd1146c07-saturn-irregular-moon-orbits-tilted-annotated-2025-1024x767.jpg 1024w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d2fd1146c07-saturn-irregular-moon-orbits-tilted-annotated-2025-768x575.jpg 768w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d2fd1146c07-saturn-irregular-moon-orbits-tilted-annotated-2025.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p>Par Fabrice Nicot :<\/p>\n\n\n\n<p>A l&rsquo;issue d&rsquo;une traque astronomique minutieuse, 128 nouveaux satellites ont \u00e9t\u00e9 d\u00e9couverts autour de la plan\u00e8te aux anneaux, portant leur total \u00e0 274. Invisibles jusqu\u2019alors, ces lunes minuscules sont les vestiges d\u2019un pass\u00e9 tumultueux, marqu\u00e9 par des captures gravitationnelles et des collisions cataclysmiques\u2026<\/p>\n\n\n\n<p>Parmi les 274 lunes officiellement r\u00e9pertori\u00e9es, certaines tournent dans le sens de rotation de Saturne (orbite bleue) d&rsquo;autres dans le sens oppos\u00e9 (rouge). Ce chaos t\u00e9moigne de l&rsquo;histoire mouvement\u00e9e de ces astres de quelques kilom\u00e8tres.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.sciencesetavenir.fr\/espace\/systeme-solaire\/saturne-reine-des-lunes-128-nouveaux-satellites-decouverts_184592\">Sciences et Avenir<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>L\u2019eau serait apparue dans l\u2019Univers bien plus t\u00f4t qu\u2019on ne le pensait<\/strong>.<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-medium\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d822ad238b6-supernova.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d822ad238b6-supernova-300x225.jpg\" alt=\"actualit\u00e9s espace mars 2025\" class=\"wp-image-18992\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d822ad238b6-supernova-300x225.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d822ad238b6-supernova-768x575.jpg 768w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/cover-r4x3w1200-67d822ad238b6-supernova.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p>Par Franck Daninos :<\/p>\n\n\n\n<p>Des simulations num\u00e9riques indiquent que les mol\u00e9cules d\u2019eau, l\u2019un des ingr\u00e9dients essentiels \u00e0 la vie telle que nous la connaissons, auraient \u00e9t\u00e9 form\u00e9es en abondance 100 \u00e0 200 millions d\u2019ann\u00e9es apr\u00e8s la naissance de l\u2019Univers et non 1 milliard d\u2019ann\u00e9es, comme les scientifiques le pensaient jusqu\u2019\u00e0 pr\u00e9sent.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.sciencesetavenir.fr\/espace\/univers\/l-eau-serait-apparue-dans-l-univers-bien-plus-tot-qu-on-ne-le-pensait_184649\">Sciences et Avenir<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Au-del\u00e0 de notre Syst\u00e8me solaire, les sondes Voyager se suicident \u00e0 petit feu<\/strong>.<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/voyager.avif\"><img decoding=\"async\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/voyager.avif\" alt=\"actualit\u00e9s espace mars 2025\" class=\"wp-image-19055\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Les sondes&nbsp;Voyager 1 et 2&nbsp;sont l\u00e9gendaires pour leur errance au-del\u00e0 des fronti\u00e8res de notre&nbsp;Syst\u00e8me solaire. Lanc\u00e9es depuis la Terre en 1977, les sondes sont aussi connues pour leur&nbsp;r\u00e9sistance&nbsp;au temps. Mais ce n&rsquo;est pas sans sacrifice, h\u00e9las.<\/p>\n\n\n\n<p>Lire la suite <a href=\"https:\/\/www.futura-sciences.com\/sciences\/actualites\/astronautique-dela-notre-systeme-solaire-sondes-voyager-suicident-petit-feu-120217\/#deux-instruments-scientifiques-en-moins\">Futura-Sciences<\/a>.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>D&rsquo;o\u00f9 viennent les 128 nouvelles lunes de Saturne ?<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Pr\u00e9sent\u00e9es au public le 11 mars 2025, 128 nouvelles lunes ont \u00e9t\u00e9 d\u00e9couvertes autour de Saturne par une \u00e9quipe de chercheurs am\u00e9ricains. Une d\u00e9couverte surprenante, qui projette le nombre de satellites de la plan\u00e8te \u00e0 anneaux \u00e0 274.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.geo.fr\/sciences\/espace-d-ou-viennent-les-128-nouvelles-lunes-de-saturne-225116\">Geo.fr<\/a>.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-medium\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/SATURNE.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"187\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/SATURNE-300x187.jpg\" alt=\"actualit\u00e9s espace mars 2025\" class=\"wp-image-19056\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/SATURNE-300x187.jpg 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/SATURNE-768x478.jpg 768w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/SATURNE.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Des scientifiques confirment l&rsquo;existence incroyable des reflets du temps.<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/reflet-temps.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"410\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/reflet-temps.jpg\" alt=\"\" class=\"wp-image-19060\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/reflet-temps.jpg 750w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/reflet-temps-300x164.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Imaginez un miroir qui ne refl\u00e8te pas votre visage, mais votre dos. Aussi \u00e9trange que cela puisse para\u00eetre, cette image illustre un ph\u00e9nom\u00e8ne scientifique r\u00e9cemment confirm\u00e9 : la r\u00e9flexion temporelle.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.science-et-vie.com\/technos-et-futur\/des-scientifiques-confirment-lexistence-incroyable-des-reflets-du-temps-193110.html\">Science&amp;Vie.com<\/a>.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">De la vie sur Mars il y a des milliards d&rsquo;ann\u00e9es?<\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Des mol\u00e9cules organiques, les plus longues jamais observ\u00e9es sur Mars, viennent d&rsquo;\u00eatre d\u00e9couvertes par des chercheurs fran\u00e7ais, am\u00e9ricains, espagnols et mexicains gr\u00e2ce \u00e0 l&rsquo;outil SAM, cofinanc\u00e9 par le CNES, et int\u00e9gr\u00e9 au robot Curiosity de la NASA. Une d\u00e9couverte importante dans l&rsquo;\u00e9tude des formes de vie extraterrestres.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.bfmtv.com\/sciences\/de-la-vie-sur-mars-il-y-a-des-milliards-d-annees-des-chercheurs-francais-rendent-l-hypothese-un-peu-plus-probable_AN-202503240593.html\">BFMTV.com<\/a>.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/Curiosity.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/Curiosity.webp\" alt=\"\" class=\"wp-image-19061\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/Curiosity.webp 800w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/Curiosity-300x169.webp 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/03\/Curiosity-768x432.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>La plan\u00e8tes Mars comme vous ne l&rsquo;avez jamais vu.<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"video-container\"><iframe loading=\"lazy\" title=\"Les v\u00e9ritables images de MARS, la plan\u00e8te rouge comme vous ne l&#039;avez jamais vue\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/zQeA9CdWZzQ?feature=oembed&#038;wmode=opaque\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Voici une vid\u00e9o captivante du Youtubeur \u00ab\u00a0Balade Mentale\u00a0\u00bb retra\u00e7ant 30 ann\u00e9es d&rsquo;exploration de la plan\u00e8te Rouge par des Robots.<\/p>\n\n\n\n<p>Retrouvez toutes ses vid\u00e9os sur sa cha\u00eene <a href=\"https:\/\/www.youtube.com\/@BaladeMentale\/videos\">Youtube<\/a>.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Des vestiges organiques d\u00e9couverts sur Mars<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Loin de l&rsquo;agitation terrestre, dans un environnement hostile o\u00f9 r\u00e8gnent le froid et une atmosph\u00e8re impalpable, des vestiges d&rsquo;un pass\u00e9 lointain ont \u00e9t\u00e9 exhum\u00e9s. Ces cha\u00eenes carbon\u00e9es ravivent l&rsquo;espoir de d\u00e9couvrir une forme de vie ayant peut-\u00eatre exist\u00e9 sur Mars.<\/p>\n\n\n\n<p>Lire la suite sur <a href=\"https:\/\/www.techno-science.net\/actualite\/vestiges-organiques-decouverts-mars-N26727.html\">Techno-Science.net<\/a>.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><a href=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color.webp\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-300x300.webp\" alt=\"\" class=\"wp-image-19195\" srcset=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-300x300.webp 300w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-1024x1024.webp 1024w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-150x150.webp 150w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-768x768.webp 768w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-1536x1536.webp 1536w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-80x80.webp 80w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color-320x320.webp 320w, https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/uploads\/2025\/04\/OSIRIS-Mars-true-color.webp 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div><\/div>\n<\/div>\n<div class=\"pvc_clear\"><\/div><p id=\"pvc_stats_18997\" class=\"pvc_stats all  \" data-element-id=\"18997\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/reperes-astro.fr\/%77%70%2d%63%6f%6e%74%65%6e%74\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p><div class=\"pvc_clear\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Retrouvez dans cet article des actualit\u00e9s et quelques faits marquants du ciel et de l\u2019espace de Mars 2025. 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