{"id":1834248,"date":"2024-09-24T21:40:00","date_gmt":"2024-09-25T01:40:00","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1834248"},"modified":"2024-12-20T20:38:22","modified_gmt":"2024-12-21T01:38:22","slug":"new-gravity-map-of-mars-reveals-subsurface-variations","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2024\/09\/new-gravity-map-of-mars-reveals-subsurface-variations\/","title":{"rendered":"New Gravity Map of Mars Reveals Subsurface Variations"},"content":{"rendered":"\n
\"Gravity<\/a>
Gravity map of Mars, from Root et al.<\/figcaption><\/figure>\n\n\n\n

A study presented earlier this month at the Europlanet Science Congress maps the variations in Mars\u2019s gravitational field<\/a>.<\/p>\n\n\n\n

\n

Dr Root and colleagues from TU Delft and Utrecht University used tiny deviations in the orbits of satellites to investigate the gravity field of Mars and find clues about the planet\u2019s internal mass distribution. This data was fed into models that use new observations from NASA\u2019s Insight mission on the thickness and flexibility of the martian crust, as well as the dynamics of the planet\u2019s mantle and deep interior, to create a global density map of Mars.<\/p>\n\n\n\n

The density map shows that the northern polar features are approximately 300-400 kg\/m3<\/sup> denser than their surroundings. However, the study also revealed new insights into the structures underlying the huge volcanic region of Tharsis Rise, which includes the colossal volcano, Olympus Mons.<\/p>\n<\/blockquote>\n\n\n\n

Abstract<\/a>, press release<\/a>, Universe Today<\/a><\/em>.<\/p>\n\n\n\n

Previously: New Gravity Map of Mars<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

A study presented earlier this month at the Europlanet Science Congress maps the variations in Mars\u2019s gravitational field. Dr Root and colleagues from TU Delft and Utrecht University used tiny deviations in the orbits of… 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":[893,295],"class_list":["post-1834248","post","type-post","status-publish","format-link","hentry","category-astronomy","tag-gravity","tag-mars","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":4874,"url":"https:\/\/www.maproomblog.com\/2017\/09\/new-gravity-map-of-mars\/","url_meta":{"origin":1834248,"position":0},"title":"New Gravity Map of Mars","author":"Jonathan Crowe","date":"13 September 2017","format":"link","excerpt":"A new gravity map of Mars\u00a0that shows the thickness of the Martian crust based on gravity measurements from Martian orbiters, reveals a crust that is less dense and shows less variation than earlier maps. \u201cThe researchers mapped the density of the Martian crust, estimating the average density is 2,582 kilograms\u2026","rel":"","context":"In "Astronomy"","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/09\/mars-crust-1024x683.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/09\/mars-crust-1024x683.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/09\/mars-crust-1024x683.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2017\/09\/mars-crust-1024x683.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1291,"url":"https:\/\/www.maproomblog.com\/2016\/03\/mars-gravity-map-2\/","url_meta":{"origin":1834248,"position":1},"title":"New Gravity Map of Mars","author":"Jonathan Crowe","date":"21 March 2016","format":"link","excerpt":"A new gravity map of Mars, based on data from three orbiting spacecraft, has been released. \"Slight differences in Mars' gravity changed the trajectory of the NASA spacecraft orbiting the planet, which altered the signal being sent from the spacecraft to the Deep Space Network. These small fluctuations in the\u2026","rel":"","context":"In "Astronomy"","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"mars-gravity-hemispheres","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/mars-gravity-hemispheres-1024x488.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/mars-gravity-hemispheres-1024x488.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/mars-gravity-hemispheres-1024x488.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/03\/mars-gravity-hemispheres-1024x488.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1790223,"url":"https:\/\/www.maproomblog.com\/2021\/02\/a-mars-map-roundup\/","url_meta":{"origin":1834248,"position":2},"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 "Astronomy"","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":5566,"url":"https:\/\/www.maproomblog.com\/2013\/02\/lunar-gravity-map\/","url_meta":{"origin":1834248,"position":3},"title":"Lunar Gravity Map","author":"Jonathan Crowe","date":"11 February 2013","format":"link","excerpt":"NASA has released a free-air gravity map of the Moon: \"If the Moon were a perfectly smooth sphere of uniform density, the gravity map would be a single, featureless color, indicating that the force of gravity at a given elevation was the same everywhere. But like other rocky bodies in\u2026","rel":"","context":"In "Astronomy"","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1808683,"url":"https:\/\/www.maproomblog.com\/2022\/08\/mapping-the-watery-past-of-mars\/","url_meta":{"origin":1834248,"position":4},"title":"Mapping the Watery Past of Mars","author":"Jonathan Crowe","date":"22 August 2022","format":"link","excerpt":"A new map of Mars reveals the abundance of aqueous minerals\u2014clays and salts that form in the presence of water\u2014that were created during the planet\u2019s distant watery past. \u201cThe big surprise is the prevalence of these minerals. Ten years ago, planetary scientists knew of around 1000 outcrops on Mars. This\u2026","rel":"","context":"In "Astronomy"","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/08\/esa-mars-aqueous-1024x286.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/08\/esa-mars-aqueous-1024x286.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/08\/esa-mars-aqueous-1024x286.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/08\/esa-mars-aqueous-1024x286.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1787099,"url":"https:\/\/www.maproomblog.com\/2019\/02\/opportunitys-path\/","url_meta":{"origin":1834248,"position":5},"title":"Opportunity’s Path","author":"Jonathan Crowe","date":"15 February 2019","format":"link","excerpt":"Don't miss the New York Times\u2019s scrollable map of the path of the Opportunity rover on Mars. (From a technical standpoint it functions much like their map of the U.S.-Mexico border.)","rel":"","context":"In "Astronomy"","block_context":{"text":"Astronomy","link":"https:\/\/www.maproomblog.com\/category\/astronomy\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1834248","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=1834248"}],"version-history":[{"count":4,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1834248\/revisions"}],"predecessor-version":[{"id":1834271,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1834248\/revisions\/1834271"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1834248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1834248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1834248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}