{ "title": "Pits in Hale Crater Ejecta", "authors": "HiRISE", "metadata": { "thumbnailURL": "https://static.uahirise.org/anews/2021-02-09/ESP_039524_1445.jpg", "excerpt": "The pits in this image aren’t impact craters." }, "version": "1.5", "identifier": "ESP_039524_1445", "language": "en", "layout": { "columns": 10, "width": 1024, "margin": 85, "gutter": 20 }, "documentStyle": { "backgroundColor": "#faf7f2" }, "components": [ { "role": "heading1", "layout": "heading1Layout", "text": "HiPOD: 9 February 2021" }, { "role": "divider", "layout": "bigDividerLayout", "stroke": { "width": 3, "color": "#8c2028" } }, { "role": "title", "layout": "halfMarginBelowLayout", "text": "Pits in Hale Crater Ejecta" }, { "role": "photo", "layout": "fullBleedLayout", "caption": "Less than 1 km across. (NASA/JPL/UArizona)", "URL": "https://static.uahirise.org/anews/2021-02-09/ESP_039524_1445.jpg" }, { "role": "body", "format": "html", "layout": "hipodMarginLayout", "text": "


The pits in this image aren’t impact craters. The material they’re embedded into is ejecta (stuff thrown out of an impact crater when it forms) from a large crater called Hale which is not seen in this image.

Substances called “volatiles”—which can explode as gases when they’re quickly warmed by the immense heat of an impact—exploded out of the ejecta and caused these pits. Unrelated sand dunes near the top of the image have since blown over portions of the pits.

" }, { "role": "photo", "layout": "fullBleedLayout", "caption": "A fuller view of the scene. Less than 5 km across. (NASA/JPL/UArizona)", "URL": "https://static.uahirise.org/anews/2021-02-09/ESP_039524_1445-2.jpg" }, { "role": "body", "format": "html", "layout": "hipodMarginLayout", "text": "

ID: ESP_039524_1445
date: 1 January 2015
altitude: 254 km (158 mi)

NASA/JPL/UArizona

" }, { "role": "caption", "format": "html", "layout": "halfMarginBothLayout", "text": "Enhanced color image is less than 1 km across; black and white is less than 5 km. For full images with scalebars, see the above ID link to our website.

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