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An Ancient Asteroid Impact May Have Caused a Megatsunami on Mars
The Viking 1 lander arrived on the Martian surface 46 years ago to investigate the planet. It dropped down into what was thought to be an ancient outflow channel. Now, a team of researchers believes they’ve found evidence of an ancient megatsunami that swept across the planet billions of years ago, less than 600 miles from where Viking landed. … ⌘ Read more

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