{
  "title": "A Sinuous Ridge within a Valley in Aeolis Planum",
  "authors": "HiRISE",
  "metadata": {
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    "excerpt": "This location shows a ridge within a valley that may help our understanding of inverted channels on Mars."
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        "text": "HiPOD: 25 August 2020"
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        "text": "A Sinuous Ridge within a Valley in Aeolis Planum"
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    {
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        "caption": "A cutout showing the ridge within the valley. Less than 5 km across. (NASA/JPL/UArizona)",
        "URL": "https://static.uahirise.org/anews/2020-08-25/ESP_048075_1780.jpg"
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        "text": "<p><br />This location shows a ridge within a valley that may help our understanding of inverted channels on Mars. Inverted channels are fluvial channels that have been preserved against erosion by sedimentary or geochemical processes.</p>"
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        "text": "<p><br />Further study of inverted channel formation is necessary for characterizing the conditions and processes of past environments. The ridge in the center of this valley is morphologically similar to the many inverted channels in the region of Aeolis Dorsa, and possibly represents a unique opportunity to observe a fluvial channel in the process of inversion.<br /></p>"
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        "role": "photo",
        "layout": "fullBleedLayout",
        "caption": "An enhanced color cutout showing the ridge in more detail. Less than 1 km across. (NASA/JPL/UArizona)",
        "URL": "https://static.uahirise.org/anews/2020-08-25/ESP_048075_1780-2.jpg"
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        "text": "<p><br />ID: <a href='https://uahirise.org/ESP_048075_1780'>ESP_048075_1780</a><br />date: 28 October 2016<br />altitude: 269 km<br /><br />NASA/JPL/UArizona</a></p>"
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        "text": "Black and white images is less than 5 km; enhanced color image is less than 1 km. For full images with scalebars, see the above ID link to our website.<br /><br />"
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