Sojourner, while on its way to the rock Yogi, performed several soil mechanics experiments. Piles of loose material
churned up from the experiment are seen in front of and behind the Rover. The rock Pop-Tart is visible near the front
right rover wheel. Yogi is at upper right. The image was taken by the Imager for Mars Pathfinder.
This image shows the Sojourner rover's Alpha Proton X- ray Spectrometer (APXS) deployed against the rock
"Stimpy" on the afternoon of Sol 68 (September 11). The two rocks behind the rover were previously analyzed by the
APXS.
This is a close-up of the sunset on Sol 24 as seen by the Imager for Mars Pathfinder. The red sky in the background and
the blue around the Sun are approximately as they would appear to the human eye. The color of the Sun itself is not
correct -- the Sun was overexposed in each of the 3 color images that were used to make this picture. The true color of
the Sun itself may be near white or slightly bluish.