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When a Mega-Tsunami Drowned Mars, This Spot May Have Been Ground Zero

Jul 30, 2019 - The New York Times

The 75-mile-wide crater could be something like a Chicxulub crater for the red planet.

Today, Mars is a cold, dry world, home to dust devils and robotic explorers. But many scientists suspect it was once waterlogged.

A new study, published last month in the Journal of Geophysical Research: Planets, suggests that a 75-mile-wide impact scar in the Martian northern lowlands is to the red planet what the Chicxulub crater is to Earth: the mark of a meteor that generated a mega-tsunami whe...