This is a new impact crater on the surface of Mars that has recently appeared. It was formed somewhere between the dates of September 2016 to February 2019. The darker material is freshly exposed from the reddish oxidized dust. (This image is enhance by Photovault.com experts).
ID: ESP_059635_1635 Image created: 17/04/2019 Altitude: 255 km Image by: NASA/JPL/University of Arizona A Time Keeping on Mars Proposal by Manfred Krutein: Mars Timekeeping