R-MastCam mosaic by Kevin M Gill, captured from the location where they just drilled the ridge above the hollow that they had already drilled / sampled a week earlier. View full size to see the details. Credits: NASA/JPL-Caltech/MSSS/Kevin M Gill

  • four@lemmy.zipEnglish
    3·
    2 个月前

    I haven’t considered that they might be gray under the red dust, but it makes perfect sense. Thanks for sharing that!