Surprise, Surprise: Subsurface Water on Mars Defies Expectations - University of California San Diego

A new analysis of seismic data from NASA’s Mars InSight mission has revealed a couple of surprises. The first surprise: the top 300 meters of the subsurface beneath the landing site near the Martian equator contains little or no ice.

Physics connects seismic data to properties of rocks and sediments A new analysis of seismic data from NASA’s Mars InSight mission has revealed a couple of surprises. Image from NASA's InSight Mars… [+4855 chars]

full article...