{ "title": "Spring Fans at Macclesfield", "authors": "HiRISE", "metadata": { "thumbnailURL": "https://static.uahirise.org/images/wallpaper/2560/ESP_064469_0945.jpg", "excerpt": "Every Martian spring, fans of dust are blown out from under the seasonal layer of carbon dioxide ice that forms a polar cap over the winter." }, "version": "1.5", "identifier": "ESP_064469_0945", "language": "en", "layout": { "columns": 10, "width": 1024, "margin": 85, "gutter": 20 }, "documentStyle": { "backgroundColor": "#faf7f2" }, "components": [ { "role": "heading1", "layout": "heading1Layout", "text": "HiPOD: 8 JUNE 2020" }, { "role": "divider", "layout": "bigDividerLayout", "stroke": { "width": 3, "color": "#8c2028" } }, { "role": "title", "layout": "halfMarginBelowLayout", "text": "Spring Fans at Macclesfield" }, { "role": "video", "layout": "fullBleedLayout", "URL": "https://uahirise.org/media/clips/ESP_064469_0945_1080.mp4", "stillURL": "https://static.uahirise.org/images/wallpaper/2560/ESP_064469_0945.jpg", "accessibilityCaption": "HiClip narration by Tre Gibbs." }, { "role": "body", "format": "html", "layout": "hipodMarginLayout", "text": "
Every Martian spring, fans of dust are blown out from under the seasonal layer of carbon dioxide ice that forms a polar cap over the winter.
Gas blowing out from under the ice carries with it a load of dust that is deposited on the surface in a direction determined by the wind at the time of the eruption. Like windsocks, these fans in a polar area we’ve dubbed Macclesfield, record the direction that the wind was blowing.
ID: ESP_064469_0945
date: 27 April 2020
altitude: 245 km
NASA/JPL/UArizona