NASA Image of the day on June 20, 2018 - Once in a Blue Dune

Описание: Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater, NASA's Mars Reconnaissance Orbiter (MRO) shows a field of classic barchan dunes on Jan. 24, 2018. via NASA

Снимка на деня от NASA за June 20, 2018

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