Carbon Crystallizing in Atmosphere Uranus (image) American Physical Society Caption A simulated snapshot of crystallizing carbon atoms under Uranus-like conditions. Credit L. M. Ghiringhelli, C. Valeriani, E. J. Meijer and D. Frenkel, Physical Review Letters Usage Restrictions Contact the authors or the American Physical Society for permission to reprint. 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.