HiRISE: Pettit Crater wind streak and intracrater dunes

tumblr_p7t8s7noiZ1rlz4gso1_1280Pettit Crater wind streak and intracrater dunes. Part of the rationale for this observation is to look for dune bedforms that may be related to thermal inertia and particle mobility. This crater was named after Edison Pettit, an American astronomer (1890–1962).

Beautiful Mars series. [More at links]

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