This is a great question and I imagine it at
least partly stems from the fact that Mars is
famous for its dust storms. Wind is a
phenomenon that occurs when a planet has an
atmosphere. As hot air rises from the surface
of the planet, a region of lower air pressure
relative to its surroundings is left behind.
Nearby air flows in this region since fluids
move from regions of higher pressure to lower
pressure. What happened to the original
pocket of hot air that rose? As it moves away
from the surface of the planet, it cools, and
eventually will sink in another location.
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