Coated and Uncoated Dust Grains (IMAGE) NASA/Goddard Space Flight Center Caption A team of Goddard technologists are experimenting with coated pigments to solve one of NASA's thorniest challenges: how to keep the orb's irregularly shaped, razor-sharp dust grains from adhering to virtually everything they touch, including astronauts' spacesuits. The uncoated pigment on the left looks smooth, while the coated pigment includes distinct features. 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.