{"id":402,"date":"2015-11-29T01:48:11","date_gmt":"2015-11-29T01:48:11","guid":{"rendered":"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/?p=402"},"modified":"2022-03-15T14:39:26","modified_gmt":"2022-03-15T14:39:26","slug":"the-mystery-of-mars-missing-air","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/2015\/11\/the-mystery-of-mars-missing-air\/","title":{"rendered":"The Mystery of Mars&#8217; Missing Air"},"content":{"rendered":"<p>Why is there no air on Mars? NASA&#8217;s MAVEN mission has supplied some details on how our neighbor lost what was likely a robust atmosphere comparable to Earth&#8217;s. Spoiler alert: size does matter. Mars&#8217; diminutive scale poses a number of problems for holding onto the atmosphere. MAVEN has now witnessed erosion of the atmosphere due to the solar wind. Hear about Mars and more on this episode of Walkabout the Galaxy.<\/p>\n<p><a href=\"https:\/\/itunes.apple.com\/us\/podcast\/walkabout-the-galaxy\/id867430953\">Listen on iTunes<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why is there no air on Mars? NASA&#8217;s MAVEN mission has supplied some details on how our neighbor lost what was likely a robust atmosphere comparable to Earth&#8217;s. Spoiler alert: size does matter. Mars&#8217; diminutive&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/2015\/11\/the-mystery-of-mars-missing-air\/\">Read More<span class=\"screen-reader-text\">The Mystery of Mars&#8217; Missing Air<\/span><\/a><\/div>\n","protected":false},"author":28,"featured_media":403,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[3,10],"tags":[],"class_list":["post-402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-episodes","category-solar-system","excerpt","full-without-featured","even","excerpt-0"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Mystery of Mars&#039; Missing Air - Walkabout the Galaxy<\/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:\/\/sciences.ucf.edu\/physics\/walkaboutthegalaxy\/2015\/11\/the-mystery-of-mars-missing-air\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Mystery of Mars&#039; Missing Air - Walkabout the Galaxy\" \/>\n<meta property=\"og:description\" content=\"Why is there no air on Mars? NASA&#8217;s MAVEN mission has supplied some details on how our neighbor lost what was likely a robust atmosphere comparable to Earth&#8217;s. Spoiler alert: size does matter. 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