On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes. The small dots are called barchan dunes, and from their shape we can tell that they are upwind. The downwind dunes are long and linear. These two types of dune each […]
March 08, 2024
from NASA https://ift.tt/ksXxWwS
March 08, 2024
from NASA https://ift.tt/ksXxWwS
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NASA