Planet Four Talk

Something different? Object at the base of EVERY FAN in this image?

  • pocketmoon by pocketmoon

    Would love to know what the source HiRise image is for this one!


  • chickenzown by chickenzown

    could it be that the objects have somehow shielded the fan dark area from the prevailing wind/dust and therefore the surface in the lea of the objects is a different colour to the surrounding area.


  • mschwamb by mschwamb scientist, translator

    Keen eye. Those are boulders. We want you to mark them in Talk with #boulder. And in the interface mark the boulders with the interesting feature tool. Learn more about interesting features to mark here.