{ "title": "A Giant Gully in Kaiser Crater Dunes", "authors": "HiRISE", "metadata": { "thumbnailURL": "bundle://header.jpg", "excerpt": "HiRISE has been monitoring this dune field since 2008, and it changes every year from gully erosion in the winter and blowing sand in the summer." }, "version": "1.5", "identifier": "ESP_062928_1325", "language": "en", "layout": { "columns": 10, "width": 1024, "margin": 85, "gutter": 20 }, "documentStyle": { "backgroundColor": "#faf7f2" }, "components": [ { "role": "heading1", "layout": "heading1Layout", "text": "HiPOD: MONDAY, 27 JANUARY 2020" }, { "role": "divider", "layout": "bigDividerLayout", "stroke": { "width": 3, "color": "#8c2028" } }, { "role": "title", "layout": "halfMarginBelowLayout", "text": "A Giant Gully in Kaiser Crater Dunes" }, { "role": "photo", "layout": "fullBleedLayout", "caption": "A closeup of the gully and the frost. Some of the dune ripples almost look like fingerprints. Less than 1 km across. (NASA/JPL/UArizona)", "URL": "bundle://ESP_062928_1325-main-01-27.jpg" }, { "role": "body", "format": "html", "layout": "hipodMarginLayout", "text": "


HiRISE has been monitoring this dune field since 2008, and it changes every year from gully erosion in the winter and blowing sand in the summer.

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This cutout shows an especially large gully. The bright white materials are seasonal frost, persisting on shaded slopes.

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ID: ESP_062928_1325
date: 29 December 2019
altitude: 252 km

NASA/JPL/UArizona

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