Pulling into a valley on Mars, scientists have discovered a wind-filled area of solid sand, which turned to rock about a billion years ago. Despite the drastic decline, time has survived significantly in this stable plain of the Paleo-Dunes, which is longer than the fossil waves of sand on Earth, …
Read More »Scientists Detect Giant ‘Megaripple’ Structures Moving Across Mars
For the first time, scientists have observed that the ‘megaripples’ on Mars, huge sand waves seen on the Martian surface, are mobile structures and not ancient relics trapped in place from the distant past of the Red Planet. Megaripples, which also occur in Earth’s deserts, are generally larger than the …
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