| 
                                                                       Spirit
                                                                      Back in
                                                                      Action 
                                                                      This
                                                                      image
                                                                      shows the
                                                                      Mars
                                                                      Exploration
                                                                      Rover
                                                                      Spirit's
                                                                      "hand,"
                                                                      or the tip
                                                                      of the
                                                                      instrument
                                                                      deployment
                                                                      device,
                                                                      poised in
                                                                      front of
                                                                      the rock
                                                                      nicknamed
                                                                      Adirondack,
                                                                      the
                                                                      rover's
                                                                      first
                                                                      science
                                                                      target. In
                                                                      preparation
                                                                      for
                                                                      grinding
                                                                      into
                                                                      Adirondack,
                                                                      Spirit
                                                                      cleaned
                                                                      off a
                                                                      portion of
                                                                      the rock's
                                                                      surface
                                                                      with a
                                                                      stainless
                                                                      steel
                                                                      brush
                                                                      located on
                                                                      its rock
                                                                      abrasion
                                                                      tool, seen
                                                                      here at
                                                                      the top of
                                                                      its hand
                                                                      (in the
                                                                      center of
                                                                      the
                                                                      image).  |