NASA Spacecraft Captures “Unusual” Circular Sand Dunes On Mars
NASA’s Mars Reconnaissance Orbiter (MRO) spacecraft has captured a fascinating image of sand dunes with notably circular shapes, which is “unusual”. The dunes were snapped by MRO’s High-Resolution Imaging Experiment (HiRise) colour camera. “Sand dunes of many shapes and sizes are common on Mars. In this example, the dunes are almost perfectly circular, which is […]
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