Stig Östlund

fredag, maj 20, 2016

Tsunamis waves tall enough to swallow the Statue of Liberty washed away the shorelines of Mars’s ancient ocean, according to a study published Thursday.

In the wake of their destructive force, a Martian mystery was born.

Planetary scientists had hypothesized for decades that a primordial ocean might have once covered much of the red planet’s northern hemisphere. Last year they presented molecular traces of atmospheric water that backed the claim. But still missing from their theory were visible traces of the ocean’s coastline.
More: New York Times today

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