{"id":15107,"date":"2026-02-23T18:03:11","date_gmt":"2026-02-23T22:03:11","guid":{"rendered":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/curiosity-studies-nodules-on-boxwork-formations\/"},"modified":"2026-02-23T18:03:11","modified_gmt":"2026-02-23T22:03:11","slug":"curiosity-studies-nodules-on-boxwork-formations","status":"publish","type":"post","link":"https:\/\/zobi.alcowep.com\/bourtagshdrevxnls658739\/curiosity-studies-nodules-on-boxwork-formations\/","title":{"rendered":"Curiosity Studies Nodules on Boxwork Formations"},"content":{"rendered":"<h2 style=\"text-align: center;\">Curiosity Studies Nodules on Boxwork Formations<\/h2>\n<p><!-- no image --><\/p>\n<div class=\"hds-article-hero-header nasa-gb-align-full bg-carbon-90 width-full maxw-full color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-article-hero-header\">\n<div class=\"hds-cover-wrapper width-full maxw-full minh-tablet grid-container minh-tablet flex-column padding-0\">\n<div class=\"hds-foreground-wrapper display-flex flex-direction-column\">\n<div class=\"grid-container grid-container-block margin-top-auto width-full maxw-desktop-lg padding-y-9 padding-x-3 desktop:padding-x-3 z-400\">\n<div class=\"z-400 grid-col-12 tablet:grid-col-12 desktop:grid-col-7 z-400\">\n<div class=\"margin-0\">\n<div class=\"label color-spacesuit-white margin-bottom-2\">2 Min Read<\/div>\n<h1 class=\"heading-41 line-height-md color-spacesuit-white-important\">\n\t\t\t\t\t\t\t\tCuriosity Studies Nodules on Boxwork Formations\t\t\t\t\t\t\t<\/h1>\n<\/div>\n<\/div>\n<div class=\"grid-col-12 tablet:grid-col-12 desktop:grid-col-5\"><\/div>\n<div class=\"skrim-overlay skrim-left mobile-skrim-top z-200\"><\/div>\n<figure class=\"hds-media-background  \"><img fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"799\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1920&#038;h=799&#038;fit=clip&#038;crop=faces%2Cfocalpoint\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"These bumpy nodules were formed by minerals left behind as groundwater was drying out on Mars billions of years ago. NASA\u2019s Curiosity rover captured images of these pea-size features while exploring geologic formations called boxwork on Aug. 21, 2025.\" block_context=\"nasa-block\" loading=\"eager\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1920&#038;h=799&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1920w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=300&#038;h=125&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=768&#038;h=320&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1024&#038;h=426&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1536&#038;h=639&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=400&#038;h=166&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=600&#038;h=250&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=900&#038;h=375&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1200&#038;h=499&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"padding-y-3 padding-x-3\">\n<div class=\"grid-container grid-container-block padding-x-0\"><figcaption class=\"hds-caption maxw-mobile desktop:padding-x-3\">\n<div class=\"hds-caption-text p-sm margin-0 color-carbon-30\">\n<div><figcaption>PIA26697<\/figcaption><\/div>\n<\/div>\n<div class=\"hds-credits color-spacesuit-white-important\">\n\t\t\t\t\t\t<span>Credits: <\/span><br \/>\n\t\t\t\t\t\t<span>NASA\/JPL-Caltech\/MSSS<\/span>\n\t\t\t\t\t<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<div class=\" hds-module hds-module-full alignfull wp-block-nasa-blocks-secondary-navigation\">\n<div class=\"hds-secondary-navigation-wrapper z-top width-100 padding-0\">\n<div class=\"hds-secondary-navigation width-full border-bottom-1px text-center hds-color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-hdsnav\"><button type=\"button\" class=\"hds-secondary-nav-mobile-button display-flex tablet:display-flex 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class=\"hds-featured-file-list bg-spacesuit-white padding-x-2 tablet:padding-x-3 desktop:padding-x-4 padding-y-5 desktop:padding-y-6 hds-module align wp-block-nasa-blocks-file-list\">\n<div class=\"grid-container grid-container-block padding-0\">\n<div class=\"grid-row width-full margin-bottom-4\">\n<div class=\"grid-col-12 desktop:grid-col-6 margin-bottom-2 desktop:margin-bottom-0\">\n<h2 role=\"textbox\" class=\"heading-22\">\n\t\t\t\t\tDownloads\t\t\t\t<\/h2>\n<\/div>\n<div class=\"grid-col-12 desktop:grid-col-6\">\n<div class=\"desktop:grid-col display-flex flex-align-center desktop:flex-justify-end\">\n\t\t\t\t\t\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-list-row hds-file-list-row\">\n<div class=\"hds-list-thumbnail hds-file-list-thumbnail\">\n<div class=\"hds-list-thumbnail-inner hds-file-list-thumbnail-inner hds-cover-wrapper\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1920\" height=\"799\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1920&#038;h=799&#038;fit=clip&#038;crop=faces%2Cfocalpoint\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" block_context=\"nasa-block\" loading=\"lazy\" data-video-loop=\"\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1920&#038;h=799&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1920w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=300&#038;h=125&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=768&#038;h=320&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1024&#038;h=426&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1536&#038;h=639&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=400&#038;h=166&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=600&#038;h=250&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=900&#038;h=375&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg?w=1200&#038;h=499&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/figure>\n<\/div>\n<\/div>\n<div class=\"hds-list-details\">\n<div class=\"hds-list-name hds-file-list-name\">\n<h2 class=\"heading-22\">Curiosity Studies Nodules on Boxwork Formations<\/h2>\n<\/div>\n<div class=\"hds-list-meta\">\n<div class=\"hds-list-meta-item hds-list-date hds-file-list-date\">\n<p class=\"p-sm\">\n<\/div>\n<div class=\"hds-list-meta-item hds-file-list-filetype\">\n<p class=\"p-sm\">JPEG (291.85 KB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-list-cta hds-file-list-download\">\n\t\t\t\t\t<a href=\"https:\/\/assets.science.nasa.gov\/content\/dam\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/PIA26697.jpg\" target=\"_blank\" download rel=\"noopener\"><br \/>\n\t\t\t\t\t\t<svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"16\" cy=\"16.0001\" r=\"16\" fill=\"#1C67E3\"><\/circle><path d=\"M15.2357 8.00007L15.2357 16.4829L11.9504 13.4078L10.8801 14.4094L16.0001 19.2001L21.1201 14.4094L20.0499 13.4078L16.7645 16.4829L16.7645 8.00007L15.2357 8.00007Z\" fill=\"white\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M9.6 20.8001V18.4001H8V22.4001H24V18.4001H22.4V20.8001H9.6Z\" fill=\"white\"><\/path><\/svg><br \/>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n<div class=\"hds-list-row hds-file-list-row\">\n<div class=\"hds-list-thumbnail hds-file-list-thumbnail\">\n<div class=\"hds-list-thumbnail-inner hds-file-list-thumbnail-inner hds-cover-wrapper\">\n<figure class=\"hds-media-background  \"><img decoding=\"async\" width=\"1920\" height=\"799\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1920&#038;h=799&#038;fit=clip&#038;crop=faces%2Cfocalpoint\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" block_context=\"nasa-block\" loading=\"lazy\" data-video-loop=\"\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1920&#038;h=799&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1920w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=300&#038;h=125&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=768&#038;h=320&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1024&#038;h=426&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1536&#038;h=639&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=400&#038;h=166&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=600&#038;h=250&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=900&#038;h=375&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1200&#038;h=499&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/figure>\n<\/div>\n<\/div>\n<div class=\"hds-list-details\">\n<div class=\"hds-list-name hds-file-list-name\">\n<h2 class=\"heading-22\">PIA26697 Figure A<\/h2>\n<\/div>\n<div class=\"hds-list-meta\">\n<div class=\"hds-list-meta-item hds-list-date hds-file-list-date\">\n<p class=\"p-sm\">\n<\/div>\n<div class=\"hds-list-meta-item hds-file-list-filetype\">\n<p class=\"p-sm\">JPEG (291.92 KB)<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"hds-list-cta hds-file-list-download\">\n\t\t\t\t\t<a href=\"https:\/\/assets.science.nasa.gov\/content\/dam\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg\" target=\"_blank\" download rel=\"noopener\"><br \/>\n\t\t\t\t\t\t<svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle cx=\"16\" cy=\"16.0001\" r=\"16\" fill=\"#1C67E3\"><\/circle><path d=\"M15.2357 8.00007L15.2357 16.4829L11.9504 13.4078L10.8801 14.4094L16.0001 19.2001L21.1201 14.4094L20.0499 13.4078L16.7645 16.4829L16.7645 8.00007L15.2357 8.00007Z\" fill=\"white\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M9.6 20.8001V18.4001H8V22.4001H24V18.4001H22.4V20.8001H9.6Z\" fill=\"white\"><\/path><\/svg><br \/>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">Description<\/h2>\n<p>NASA\u2019s Curiosity Mars rover discovered these bumpy, pea-sized nodules while exploring a region filled with\u00a0boxwork formations \u2014 low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy hollows in-between. This mosaic is made up of 50 individual images taken by Curiosity\u2019s Mars Hand Lens Imager (MAHLI), a camera on the end of the rover\u2019s robotic arm, on Aug. 21, 2025, the 4,636th Martian day, or sol, of the mission. Ten images at different focus settings were taken at each of five locations to produce a sharp mosaic. The images were stitched together after being sent back to Earth.<\/p>\n<div class=\"hds-media hds-module wp-block-image\">\n<div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\">\n<div class=\"hds-media-wrapper margin-left-auto margin-right-auto\">\n<figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-cover \"><a href=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1920&#038;h=799&#038;fit=clip&#038;crop=faces%2Cfocalpoint\" rel=\"noopener\"><img decoding=\"async\" width=\"1920\" height=\"799\" src=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1920&#038;h=799&#038;fit=clip&#038;crop=faces%2Cfocalpoint\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Figure A is the PIA26697 image with a small scale bar added to the right-hand side.\" block_context=\"nasa-block\" loading=\"lazy\" srcset=\"https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1920&#038;h=799&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1920w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=300&#038;h=125&#038;fit=crop&#038;crop=faces%2Cfocalpoint 300w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=768&#038;h=320&#038;fit=crop&#038;crop=faces%2Cfocalpoint 768w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1024&#038;h=426&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1024w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1536&#038;h=639&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1536w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=400&#038;h=166&#038;fit=crop&#038;crop=faces%2Cfocalpoint 400w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=600&#038;h=250&#038;fit=crop&#038;crop=faces%2Cfocalpoint 600w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=900&#038;h=375&#038;fit=crop&#038;crop=faces%2Cfocalpoint 900w, https:\/\/assets.science.nasa.gov\/dynamicimage\/assets\/science\/psd\/photojournal\/pia\/pia26\/pia26697\/figures\/PIA26697_figA.jpg?w=1200&#038;h=499&#038;fit=crop&#038;crop=faces%2Cfocalpoint 1200w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\"><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\">\n<div class=\"hds-caption-text p-sm margin-0\">Figure A<\/div>\n<\/figcaption><\/div>\n<\/div>\n<\/div>\n<p>Figure A is the same image with a small scale bar added to the right-hand side.<\/p>\n<p>Nodules like these have been seen many times before on the Red Planet, including by Curiosity. They were made by minerals left behind as water dried billions of years ago. Crisscrossing the surface for miles, the boxwork formations suggest ancient groundwater flowed on this part of the Red Planet later than expected, raising new questions about how long microbial life could have survived on Mars billions of years ago, before rivers and lakes dried up.<\/p>\n<p>The boxwork ridgetops often include a dark line the team refers to as \u201ccentral fractures,\u201d where groundwater originally seeped through a rock crack, allowing minerals to concentrate. Surprisingly, the mission did not find nodules near these central fractures. Instead, they were found along the walls of the ridges and in the hollows between them. The wavy ridges between the groups of nodules are mineral veins made of calcium sulfate, also deposited by groundwater.<\/p>\n<p>Curiosity was built by NASA\u2019s Jet Propulsion Laboratory, which is managed by Caltech in Pasadena, California. JPL leads the mission on behalf of NASA\u2019s Science Mission Directorate in Washington as part of NASA\u2019s Mars Exploration Program portfolio. MAHLI was built by Malin Space Science Systems in San Diego.<\/p>\n<p>To learn more about Curiosity, visit:<\/p>\n<p class=\"has-text-align-center\"><a href=\"https:\/\/science.nasa.gov\/mission\/msl-curiosity\" rel=\"noopener\">science.nasa.gov\/mission\/msl-curiosity<\/a><\/p>\n<div class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full alignfull wp-block-nasa-blocks-topic-cards\">\n<div class=\"grid-container grid-container-block-lg padding-x-0\">\n<div class=\"grid-row flex-align-center margin-bottom-3\">\n<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n<h2 class=\"heading-36 line-height-sm\">Discover More Topics From Photojournal<\/h2>\n<\/div>\n<\/div>\n<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/science.nasa.gov\/photojournal\/\" class=\"mobile:grid-col-12 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formations \u2014 low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy hollows in-between. 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