Standing Body Of Water Left Its Mark In Mars Rocks | The Whole Mars Catalog at MarsToday.com | Brought to you by SpaceRef - Your Space Reference

Standing Body Of Water Left Its Mark In Mars Rocks | The Whole Mars Catalog at MarsToday.com | Brought to you by SpaceRef - Your Space Reference: "NASA's Opportunity rover has demonstrated some rocks on Mars probably formed as deposits at the bottom of a body of gently flowing saltwater. "