To an observer on Earth, Mars typically appears to move against the backdrop of stars in a westward direction due to Earth's own rotation. However, during certain periods, particularly during opposition, Mars can exhibit retrograde motion, where it appears to move eastward for a time before resuming its usual westward path. This apparent change in direction is a result of the relative positions and motion of Earth and Mars in their respective orbits around the Sun. Overall, Mars' movement can seem complex due to these orbital dynamics.
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