Signs of Ancient Mars Lakes and Quakes Seen in New Map
Tucson AZ (SPX) Dec 15, 2014 - Long ago, in the largest canyon system in our solar system, vibrations from "marsquakes" shook soft sediments that had accumulated in Martian lakes. The shaken sediments formed features that now appear as a series of low hills apparent in a geological map based on NASA images. The map was released by the U.S. Geological Survey (USGS). This map of the western Candor Chasma canyon with ... more
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