Is This a Megatsunami on Mars? - video Dailymotion

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9 months ago

Mars was once much wetter than it is today.

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00:00This is Mars, the dusty red planet as we know it today, but it wasn't always that way.

00:09Scientists now believe Mars was once a planet covered in massive oceans, and they've just

00:13found signs of an absolutely huge tsunami that once occurred there.

00:16Around 3 billion years ago, a massive asteroid likely 5.6 miles wide, or around the size

00:21of the asteroid that killed off the dinosaurs on Earth, struck Mars.

00:24That impact caused an explosion equivalent to a 13 million megaton bomb, digging a massive

00:29crater into the Martian surface some 68 miles wide, in the area which is now known as the

00:34Pole Crater.

00:35What resulted after was an immense tsunami that was sent traveling across the surface

00:39of the red planet.

00:40According to the study, the massive wave likely reached heights of over 820 feet high, and

00:45traveled as far as 932 miles from where the initial impact was.

00:49Along the way, it deposited huge bits of rocks and debris across the landscape, objects that

00:54are still detectable to this day, something the researchers say mirrors the evidence of

00:57our planet's own life-destroying asteroid impact from 66 million years ago.

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