Gullies on Mars form during the winter, fluidized by carbon dioxide frost, so we monitor these sites for activity throughout the year. https://photojournal.jpl.nasa.gov/catalog/PIA23675
Gullies on Mars form during the winter, fluidized by carbon dioxide frost, so we monitor these sites for activity throughout the year. https://photojournal.jpl.nasa.gov/catalog/PIA23675