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Scientists found evidence of mega-tsunamis on Mars

Scientists found evidence of  mega-tsunamis on Mars

Today, Mars is a cold and dry world but many scientists believe it carried water billions of years ago. A new study on the impact craters found on the surface of Mars suggests that if the red planet harboured water, it could have experienced a “mega-tsunami” that shaped the planet. This study focuses on the identification of impact craters that impacted into the ocean and are likely to have produced the tsunami. The research analysed a meteor impact site called Lomonosov, which is 120 kilometres deep, the same height as the estimated depth of the ocean.

The impact crater strongly resembles the similar marine impact sights on Earth, and so the researchers believe that this specific impact site must have been the ground zero for the “mega-tsunami” that would have ploughed across the surface of Mars. Researchers believe that the hole in the southern lip of the crater could have been the result of the ocean roaring back from that direction.

Notably, scientists do not have definitive proof that Mars once carried oceans like Earth billions of years ago or contained water. Scientists say they need more data to confirm the Mars ocean theory but if the red planet really carried ocean, the Lomonosov crater could be the point where the planet once held an ocean.

The author of the study, Francois Costard writes in the paper, “The orientations of the associated lobate deposits — a conspicuous type of landforms called Thumbprint Terrain — suggests that if an impact event triggered the mega‐tsunami, the most likely location of the source crater is within the northern plains regions situated north of Arabia Terra.” Read More...

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