{"id":53319,"date":"2025-02-03T15:47:04","date_gmt":"2025-02-03T14:47:04","guid":{"rendered":"https:\/\/www.lesgets.com\/mercure-sentier-des-planetes\/"},"modified":"2025-02-04T13:54:50","modified_gmt":"2025-02-04T12:54:50","slug":"mercure-sentier-des-planetes","status":"publish","type":"page","link":"https:\/\/www.lesgets.com\/en\/mercure-sentier-des-planetes\/","title":{"rendered":"Mercury \u2013 Planets Trail"},"content":{"rendered":"<div class=\"block block-core-media-text\">\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-image-fill-element has-medium-font-size\" style=\"grid-template-columns:auto 22%\"><div class=\"wp-block-media-text__content\"><div class=\"block block-core-paragraph\">\n<p>Mercury is the <strong>smallest rocky<\/strong> (terrestrial) <strong>planet <\/strong>in the solar system. It is the closest to the Sun and has almost no atmosphere. Mercury is a geologically inactive celestial body. It is named after the Roman god Mercury (Hermes in Greek mythology), the messenger of the gods.<\/p>\n<\/div>\n\n<div class=\"block block-core-buttons\">\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><div class=\"block block-core-button\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-luminous-vivid-amber-background-color has-background wp-element-button\" href=\"https:\/\/www.lesgets.com\/en\/sentier-des-planetes\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Discover the Planets Trai<\/strong>l<\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"472\" height=\"423\" src=\"https:\/\/www.lesgets.com\/wp\/..\/app\/uploads\/2024\/07\/mercure-2.png\" alt=\"\" class=\"wp-image-48216 size-full\" style=\"object-position:50% 50%\"\/><\/figure><\/div>\n<\/div>\n\n<div class=\"block block-core-table align-wrap align-wrap-full\">\n<figure class=\"wp-block-table alignfull is-style-stripes\"><table><tbody><tr><td><strong>Caract\u00e9ristiques<\/strong><\/td><td><strong>Mercure<\/strong><\/td><td><strong>Terre<\/strong><\/td><\/tr><tr><td>Diam\u00e8tre<\/td><td>4 880 km<\/td><td>12 750 km<\/td><\/tr><tr><td>Rapport de masse<\/td><td>0,055<\/td><td>1<\/td><\/tr><tr><td>Rapport de gravit\u00e9<\/td><td>0,38<\/td><td>1<\/td><\/tr><tr><td>Distance de soleil (UA)<\/td><td>0,38<\/td><td>1<\/td><\/tr><tr><td>Inclinaison \/ Axe de rotation<\/td><td>0,01\u00b0<\/td><td>23,5\u00b0<\/td><\/tr><tr><td>P\u00e9riode de rotation<\/td><td>176 j<\/td><td>1 j<\/td><\/tr><tr><td>R\u00e9volution autour du soleil<\/td><td>88 j<\/td><td>365 j<\/td><\/tr><tr><td>Temp\u00e9rature max<\/td><td>+430\u00b0C<\/td><td>+58\u00b0C<\/td><\/tr><tr><td>Temp\u00e9rature min<\/td><td>-180\u00b0C<\/td><td>-89\u00b0C<\/td><\/tr><tr><td>Lunes<\/td><td>0<\/td><td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n<div class=\"block block-core-paragraph\">\n<p><strong>Mercury is the closest planet to the Sun and the smallest in the solar system.<\/strong><\/p>\n<\/div>\n\n<div class=\"block block-core-heading\">\n<h3 class=\"wp-block-heading\"><strong>General Characteristics<\/strong><\/h3>\n<\/div>\n\n<div class=\"block block-core-list\">\n<ul class=\"wp-block-list\"><div class=\"block block-core-list-item\">\n<li>Mercury orbits very close to the Sun, at an average distance of <strong>58 million kilometers<\/strong>.<\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li>It is relatively small, with a <strong>diameter of about 4,880 km<\/strong>.<\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li>Mercury rotates slowly on its axis, making a <strong>day last approximately 59 Earth days<\/strong>. However, its orbit around the Sun is much faster, meaning that its <strong>year is shorter than its day, lasting about 88 Earth days<\/strong>.<\/li>\n<\/div><\/ul>\n<\/div>\n\n<div class=\"block block-core-heading\">\n<h3 class=\"wp-block-heading\"><strong>Surface<\/strong><\/h3>\n<\/div>\n\n<div class=\"block block-core-list\">\n<ul class=\"wp-block-list\"><div class=\"block block-core-list-item\">\n<li>Mercury\u2019s surface is heavily cratered, similar to the Moon, due to <strong>meteorite impacts<\/strong> over millions of years.<\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li>Large <strong>solidified lava plains<\/strong>, called lava maria, were formed by ancient volcanic eruptions.<\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li>The planet has unique <strong>geological formations called scarps<\/strong>, which are giant cliffs formed by the cooling and contraction of Mercury\u2019s crust.<\/li>\n<\/div><\/ul>\n<\/div>\n\n<div class=\"block block-core-heading\">\n<h3 class=\"wp-block-heading\"><strong>Atmosphere and Temperature<\/strong><\/h3>\n<\/div>\n\n<div class=\"block block-core-list\">\n<ul class=\"wp-block-list\"><div class=\"block block-core-list-item\">\n<li>Mercury has a <strong>very thin and sparse atmosphere<\/strong>, mainly composed of water vapor, oxygen, sodium, hydrogen, helium, and potassium. Due to its weak gravity and proximity to the Sun, atmospheric molecules are constantly lost to space.<\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li>Because of its lack of atmosphere and close proximity to the Sun, <strong>Mercury experiences extreme temperature variations<\/strong>, from <strong>+430\u00b0C during the day<\/strong> to <strong>-180\u00b0C at night<\/strong>.<\/li>\n<\/div><\/ul>\n<\/div>\n\n<div class=\"block block-core-heading\">\n<h3 class=\"wp-block-heading\"><strong>Exploration<\/strong><\/h3>\n<\/div>\n\n<div class=\"block block-core-paragraph\">\n<p>Several space missions have been sent to explore Mercury, providing detailed data on its composition and surface. For more information, visit:<\/p>\n<\/div>\n\n<div class=\"block block-core-list\">\n<ol start=\"1\" class=\"wp-block-list\"><div class=\"block block-core-list-item\">\n<li><a href=\"https:\/\/cnes.fr\/fr\">https:\/\/cnes.fr\/fr<\/a><\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li><a href=\"https:\/\/www.esa.int\/Space_in_Member_States\/France\">https:\/\/www.esa.int\/Space_in_Member_States\/France<\/a><\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li><a href=\"https:\/\/www.nasa.gov\/\">https:\/\/www.nasa.gov\/<\/a><\/li>\n<\/div>\n\n<div class=\"block block-core-list-item\">\n<li><a href=\"https:\/\/www.afastronomie.fr\/structures\/kaus-australis\">https:\/\/www.afastronomie.fr\/structures\/kaus-australis<\/a><\/li>\n<\/div><\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Caract\u00e9ristiques Mercure Terre Diam\u00e8tre 4 880 km 12 750 km Rapport de masse 0,055 1 Rapport de gravit\u00e9 0,38 1 Distance de soleil (UA) 0,38 1 Inclinaison \/ Axe de rotation 0,01\u00b0 23,5\u00b0 P\u00e9riode de rotation 176 j 1 j R\u00e9volution autour du soleil 88 j 365 j Temp\u00e9rature max +430\u00b0C +58\u00b0C Temp\u00e9rature min -180\u00b0C [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-53319","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mercury \u2013 Planets Trail - Les Gets<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez Mercure \u00e0 travers le sentier des plan\u00e8tes. 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