The "High Dune", which is part of the "Bagnold Dunes," was the first Martian sand dune ever studied up close. The dunes are active, migrating up to about one yard or meter per year.(Photo/NASA)
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The "High Dune", which is part of the "Bagnold Dunes," was the first Martian sand dune ever studied up close. The dunes are active, migrating up to about one yard or meter per year.(Photo/NASA)
