HiRISE Picture of the Day: 20 January 2020
HiPOD features cutouts of select images from our catalog.
Frosted Gullies

Frosted Gullies
Gullies on Mars form during the winter, fluidized by carbon dioxide frost, so we monitor these sites for activity throughout the year.

This mid-winter scene is almost completely frosted over the pole-facing slope within the shadow.

ID: ESP_062894_1435
date: 27 December 2019
altitude: 252 km

NASA/JPL/UArizona

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Black & white is less than 5 km across; enhanced color is less than 1 km