{"id":1809733,"date":"2022-11-07T14:01:40","date_gmt":"2022-11-07T19:01:40","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1809733"},"modified":"2022-11-07T14:02:37","modified_gmt":"2022-11-07T19:02:37","slug":"mapping-the-shoreline-of-an-ancient-martian-ocean","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2022\/11\/mapping-the-shoreline-of-an-ancient-martian-ocean\/","title":{"rendered":"Mapping the Shoreline of an Ancient Martian Ocean"},"content":{"rendered":"<figure id=\"attachment_1809735\" aria-describedby=\"caption-attachment-1809735\" style=\"width: 760px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1809735\" data-permalink=\"https:\/\/www.maproomblog.com\/2022\/11\/mapping-the-shoreline-of-an-ancient-martian-ocean\/mars-ancient-ocean\/\" data-orig-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean.jpg\" data-orig-size=\"1520,837\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"mars-ancient-ocean\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Benjamin Cardenas\/Penn State (Creative Commons)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-300x165.jpg\" data-large-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg\" class=\"size-large wp-image-1809735\" src=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg\" alt=\"3D map showing evidence of ancient Martian shoreline\" width=\"760\" height=\"419\" srcset=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-1024x564.jpg 1024w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-300x165.jpg 300w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-150x83.jpg 150w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-940x518.jpg 940w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean-726x400.jpg 726w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/mars-ancient-ocean.jpg 1520w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><figcaption id=\"caption-attachment-1809735\" class=\"wp-caption-text\">Benjamin Cardenas\/Penn State (Creative Commons)<\/figcaption><\/figure>\n<p>\u201cA recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm and wet climate, not the harsh, frozen landscape that exists today.\u201d <a href=\"https:\/\/www.psu.edu\/news\/research\/story\/traces-ancient-ocean-discovered-mars\/\">Press release<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=224J0YWqdDg\">video<\/a>, <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1029\/2022JE007390\">article (<em><abbr title=\"Journal of Geophysical Research\">JGR<\/abbr> Planets<\/em>)<\/a>. [<a href=\"https:\/\/www.universetoday.com\/158429\/scientists-piece-together-the-shoreline-of-an-ancient-ocean-on-mars\/\"><em>Universe Today<\/em><\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cA recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended&hellip; <a href=\"https:\/\/www.maproomblog.com\/2022\/11\/mapping-the-shoreline-of-an-ancient-martian-ocean\/\">More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[295],"class_list":["post-1809733","post","type-post","status-publish","format-link","hentry","category-astronomy","tag-mars","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1790223,"url":"https:\/\/www.maproomblog.com\/2021\/02\/a-mars-map-roundup\/","url_meta":{"origin":1809733,"position":0},"title":"A Mars Map Roundup","author":"Jonathan Crowe","date":"23 February 2021","format":"link","excerpt":"National Geographic looks at the rivalry between two early cartographers of Mars who based their maps on observations made during Mars\u2019s \u201cGreat Opposition\u201d in 1877: Nathaniel Green, whose Mars \u201cwas a delicately shaded world with landforms that gradually rose from vast plains and features that blended into one another\u201d (pictured\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"Nathaniel Green's map of Mars","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/02\/nathaniel-green-mars-300x236.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1825056,"url":"https:\/\/www.maproomblog.com\/2024\/01\/cartographically-speaking-water-sucks\/","url_meta":{"origin":1809733,"position":1},"title":"&#8216;Cartographically Speaking, Water Sucks&#8217;","author":"Jonathan Crowe","date":"19 January 2024","format":"link","excerpt":"https:\/\/www.youtube.com\/watch?v=Cz24meZACsY Last October, on her Huge If True YouTube channel, Cleo Abram explored the state of deep ocean mapping, why it lags behind our mapping of, say, Mars, and what\u2019s being done to chart the ocean floor at a higher resolution than currently exists (e.g. the Seabed 2030 project). All\u2026","rel":"","context":"In &quot;Oceans&quot;","block_context":{"text":"Oceans","link":"https:\/\/www.maproomblog.com\/category\/oceans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/Cz24meZACsY\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2979,"url":"https:\/\/www.maproomblog.com\/2016\/10\/mapping-the-ocean-floor-by-2030\/","url_meta":{"origin":1809733,"position":2},"title":"Mapping the Ocean Floor by 2030","author":"Jonathan Crowe","date":"3 October 2016","format":"link","excerpt":"Newsweek\u00a0looks at efforts by a group of scientists and mariners to map most of the ocean floor by the year 2030. The objective was endorsed by a meeting of GEBCO, the General Bathymetric Chart of the Oceans, last June. The scale\u00a0of the project is vast: To date, more than 85\u2026","rel":"","context":"In &quot;Oceans&quot;","block_context":{"text":"Oceans","link":"https:\/\/www.maproomblog.com\/category\/oceans\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5038,"url":"https:\/\/www.maproomblog.com\/2017\/10\/three-map-exhibitions\/","url_meta":{"origin":1809733,"position":3},"title":"Three Map Exhibitions","author":"Jonathan Crowe","date":"2 October 2017","format":"link","excerpt":"Historic Maps of the Southwest, an exhibition at the Los Lunas Museum of Heritage and Arts in Los Lunas, New Mexico (just south of Albuquerque), features maps on loan from the Albuquerque Museum. Opened on 9 September and runs until the end of December. The Valencia County\u00a0News-Bulletin has details: \"Most\u2026","rel":"","context":"In &quot;Antique Maps&quot;","block_context":{"text":"Antique Maps","link":"https:\/\/www.maproomblog.com\/category\/antique-maps\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1787241,"url":"https:\/\/www.maproomblog.com\/2019\/04\/archaeology-magazine-on-ancient-maps\/","url_meta":{"origin":1809733,"position":4},"title":"Archaeology Magazine on Ancient Maps","author":"Jonathan Crowe","date":"17 April 2019","format":"link","excerpt":"The May\/June 2019 issue of\u00a0Archaeology magazine looks at some truly ancient maps, many of which\u2014tablets, papyruses, stick charts\u2014challenge our ideas of what maps ought to look like.","rel":"","context":"In &quot;Antique Maps&quot;","block_context":{"text":"Antique Maps","link":"https:\/\/www.maproomblog.com\/category\/antique-maps\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2709,"url":"https:\/\/www.maproomblog.com\/2016\/08\/a-problem-with-population-density-maps\/","url_meta":{"origin":1809733,"position":5},"title":"A Problem with Population Density Maps","author":"Jonathan Crowe","date":"29 August 2016","format":"link","excerpt":"Reddit user joostjakob posted the above map to MapPorn with the\u00a0following caption: \"Why population density maps are hard to read: exactly the same amount of people live in the black and in the blue areas.\" [Maps on the Web]","rel":"","context":"In &quot;Cartography&quot;","block_context":{"text":"Cartography","link":"https:\/\/www.maproomblog.com\/category\/cartography\/"},"img":{"alt_text":"euro-pop-density","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/08\/euro-pop-density.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/08\/euro-pop-density.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/08\/euro-pop-density.png?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1809733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1809733"}],"version-history":[{"count":5,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1809733\/revisions"}],"predecessor-version":[{"id":1809739,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1809733\/revisions\/1809739"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1809733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1809733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1809733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}