Dark Dunes in Chasma Boreale (Original NASA/JPL/MSSS b/w Frame)
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Caption NASA originale:" This MGS-MOC image shows Dark Sand Dunes overlying an eroded, layered substrate in Chasma Boreale, amid the materials of the Martian North Polar Cap.
Location near: 84,5° North Lat. and 358,3° West Long.
Image width: ~3,0 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Summer".
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