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

When a Mega-Tsunami Drowned Mars, This Spot May Have Been Ground Zero
The 75-mile wide crater could be something like a Chicxulub crater for the red planet.

July 30, 2019 at 01:19PM
via Digg https://ift.tt/2Ot83YQ