When Mega-Tsunamis 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. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:‘Alien megastructures’ orbiting 64 nearby stars may be VISIBLE from Earth, astronomer saysAstronomers claim first evidence of PARALLEL UNIVERSE - ‘there could be BILLIONS more’REVEALED: NASA discovers that there is a protective MAN-MADE bubble surrounding EarthSuspected Cases of Ebola Rise to 18 in Democratic Republic of CongoThe Health Issue: The Self-Medicating AnimalThe Health Issue: Why Close Encounters With Animals Soothe Us