{"id":102,"date":"2012-11-19T18:09:25","date_gmt":"2012-11-19T18:09:25","guid":{"rendered":"https:\/\/staffblogs.le.ac.uk\/mars\/2012\/11\/19\/monday-19th-nov-sol-103\/"},"modified":"2025-02-26T13:28:39","modified_gmt":"2025-02-26T13:28:39","slug":"monday-19th-nov-sol-103","status":"publish","type":"post","link":"https:\/\/staffblogs.le.ac.uk\/mars\/2012\/11\/19\/monday-19th-nov-sol-103\/","title":{"rendered":"Monday 19th Nov. Sol 103"},"content":{"rendered":"<p>The REMS instruments (Rover Environmental Monitoring Station) on the rover mast has been sending back information about wind direction and atmospheric pressure over the last 100 sols.&nbsp;&nbsp; There is a predominant E-W wind direction around our landing site.&nbsp; Knowing wind direction and getting more detailed knowledge about pressure variations (highest in the afternoon, lowest in the early morning) helps us to better understand the climate on Mars. &nbsp;Pressure varies greatly on a daily basis because the martian atmosphere is currently so thin (about 7 mbar compared to 1000 mbar on Earth) that heat is readily lost from the planet\u2019s surface at night.&nbsp; Currently we are in southern Spring.&nbsp; The pressure is highest during southern summer on Mars because that is when Mars is closest to the Sun.&nbsp; That is also the dust season because the slightly thicker atmosphere can carry more dust.&nbsp; REMS had also detected some dust devils caused as the relatively warm atmosphere in the afternoon, near the martian surface, cools.&nbsp; On the solar-powered MER rovers dust devils have removed dust from the solar panels so helping the Opportunity rover to last for many years.&nbsp; &nbsp;<\/p>\n<p>The image was taken by another Mars mission:&nbsp; Mars Global Surveyor.&nbsp; This wide angle view shows a dusty Mars atmosphere.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The REMS instruments (Rover Environmental Monitoring Station) on the rover mast has been sending back information about wind direction and atmospheric pressure over the last 100 sols.&nbsp;&nbsp; There is a predominant E-W wind direction around our landing site.&nbsp; Knowing wind direction and getting more detailed knowledge about pressure variations (highest in the afternoon, lowest in [&hellip;]<\/p>\n","protected":false},"author":273,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-102","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/posts\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/users\/273"}],"replies":[{"embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":1,"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":720,"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/posts\/102\/revisions\/720"}],"wp:attachment":[{"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staffblogs.le.ac.uk\/mars\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}