A Mars megaflood may be evidence of ancient waterways — and maybe life
A Mars megaflood may be evidence of ancient waterways — and maybe life Ripple in swift water… Ancient geological features seen on Mars by theCuriosity rovershow megaripples, or antidunes, almost 10 meters (30 feet) high in sedimentary layers. These waves are placed roughly 140 meters (450 feet) apart from each other. Ezat Heydari, a professor of physics at Jackson State University, points out that similar features, created just two million years ago, are known onEarth....