NASA’s new Mars image shows sandy ‘steps’ in a big impact crater

Southwest of Mars’ Arabia Terra region lies a landmark called Danielson Crater, an impact crater that has existed on the planet for ‘million...

Southwest of Mars’ Arabia Terra region lies a landmark called Danielson Crater, an impact crater that has existed on the planet for ‘millions or billions’ of years, according to NASA. At some point after the crater formed, sediment began to settle into the large hole in layers, slowly becoming cemented into place. Eons of formation and erosion have resulted in … Continue reading

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