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These vein-like features stretched across the surface of Mars can tell us a lot about the planet

These vein-like features stretched across the surface of Mars can tell us a lot about the planet

Business Insider - Ali Sundermier

But now, NASA has announced that there is no evidence to suggest that water is to blame for these gullies. According to a statement from NASA, after doing composition maps of more than 100 gully sites, the gullies turned up empty for signs of "abundant liquid water or its byproducts." The Martian …

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