Mercury, with Colors Enhanced (IMAGE) University of California - Los Angeles Caption This is Mercury, with colors enhanced to emphasize the chemical, mineralogical and physical differences among the rocks that make up its surface. Credit NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.