{"id":218516,"date":"2013-12-12T06:00:00","date_gmt":"2013-12-12T10:00:00","guid":{"rendered":"e557177e86ad3363eda72b5e25185e83"},"modified":"2013-12-12T06:00:00","modified_gmt":"2013-12-12T10:00:00","slug":"juventae-chasma","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=218516","title":{"rendered":"Juventae Chasma"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/12\/juventae_chasma\/13448554-1-eng-GB\/Juventae_Chasma_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nIntriguing mounds of light-toned layered deposits sit inside Juventae Chasma, surrounded by a bed of soft sand and dust.\n<\/p>\n<p>\nThe origin of the chasma is linked to faulting associated with volcanic activity more than 3 billion years ago, causing the chasma walls to collapse and slump inwards, as seen in the blocky terrain in the right-hand side of this image.\n<\/p>\n<p>\nAt the same time, fracturing and faulting allowed subsurface water to spill out and pool in the newly formed chasm. Observations by ESA\u2019s Mars Express and NASA\u2019s Mars Reconnaissance Orbiter show that the large mounds inside the chasma consist of sulphate-rich materials, an indication that the rocks were indeed altered by water.\n<\/p>\n<p>\nThe mounds contain numerous layers that were most likely built up as lake-deposits during the Chasma\u2019s wet epoch. But ice-laden dust raining out from the atmosphere \u2013 a phenomenon observed at the poles of Mars \u2013 may also have contributed to the formation of the layers.\n<\/p>\n<p>\nWhile the water has long gone, wind erosion prevails, etching grooves into the exposed surfaces of the mounds and whipping up the surrounding dust into ripples.\n<\/p>\n<p>\nThe image was taken by the high-resolution stereo camera on ESA\u2019s Mars Express on 4 November 2013 (orbit 12 508), with a ground resolution of 16 m per pixel. The image centre is at about 4\u00b0S \/ 298\u00b0E.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/12\/juventae_chasma\/13448554-1-eng-GB\/Juventae_Chasma_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nIntriguing mounds of light-toned layered deposits sit inside Juventae Chasma, surrounded by a bed of soft sand and dust.\n<\/p>\n<p>\nThe origin of the chasma is linked to faulting associated with volcanic activity more than 3 billion years ago, causing the chasma walls to collapse and slump inwards, as seen in the blocky terrain in the right-hand side of this image.\n<\/p>\n<p>\nAt the same time, fracturing and faulting allowed subsurface water to spill out and pool in the newly formed chasm. Observations by ESA\u2019s Mars Express and NASA\u2019s Mars Reconnaissance Orbiter show that the large mounds inside the chasma consist of sulphate-rich materials, an indication that the rocks were indeed altered by water.\n<\/p>\n<p>\nThe mounds contain numerous layers that were most likely built up as lake-deposits during the Chasma\u2019s wet epoch. But ice-laden dust raining out from the atmosphere \u2013 a phenomenon observed at the poles of Mars \u2013 may also have contributed to the formation of the layers.\n<\/p>\n<p>\nWhile the water has long gone, wind erosion prevails, etching grooves into the exposed surfaces of the mounds and whipping up the surrounding dust into ripples.\n<\/p>\n<p>\nThe image was taken by the high-resolution stereo camera on ESA\u2019s Mars Express on 4 November 2013 (orbit 12 508), with a ground resolution of 16 m per pixel. The image centre is at about 4\u00b0S \/ 298\u00b0E.<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-218516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/218516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=218516"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/218516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=218516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=218516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=218516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}