Mars was struck by mega-floods 3 billion years ago, images reveal

remnantsofamThe surface of Mars is an intricate and varied landscape, telling the tale of billions of years of changing geological activity from impact craters caused by asteroids to mountains formed by volcanoes.

Now, the European Space Agency (Esa) has released a series of pictures revealing its latest fascinating geological feature – a giant channel created by ancient mega-floods more than 3 billion years ago.

Read more on WIRED

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