Sols 4255-4256: Just Passing Through


Finding ourselves less than a meter from our hopeful end-of-drive on Monday, we started on a very familiar plan: Starting with an arm backbone for removing dust and using APXS to investigate a bedrock target named “Russell Pass,” placing the arm out of the way for imaging, spending just over an hour on Mastcam imaging and ChemCam LIBS on Russell Pass, then one more arm backbone for MAHLI images of Russell Pass, and finally a drive in the afternoon. These plans, dubbed “touch-and-go” plans, are usually busy at the start and slow at the end. Our drive this time is planned to go ~10 meters almost perfectly east and leaving our heading almost perfectly west. If on Friday, our wheels are solidly on the Martian ground and there is a flat-enough bedrock surface to place our drill, we might be staying put for another two weeks while we try and collect another Gediz Vallis channel sample. And since we drive backwards with the arm taking up the rear, we might even have a workspace we’ve already driven over – hopefully exposing some internal bedrock even before drilling.



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