Mars' Terrain: Scientists Solve a Quarter-Century-Old Mystery

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Shafaq News - Amsterdam A team of Dutch researchers has discovered that dry ice is responsible for carving out the sinuous grooves that adorn the sand dunes of Mars each spring, a phenomenon that has puzzled scientists for more than 25 years. These mysterious grooves, first observed in 1999, looked like traces of running water, but new experiments have proven that they are the result of explosions caused by the evaporation of carbon dioxide ice,…