Simulating Galaxy Clustering (IMAGE) University of Chicago Caption This still from a computer simulation illustrates the formation of galaxy clusters and large-scale filaments in a model of the universe, which includes cold dark matter and dark energy. Credit Andrey Kravtsov and Anatoly Klypin Usage Restrictions News organizations may use this image in connection with reports about the University of Chicago's Kavli Institute for Cosmological Physics and the South Pole Telescope. 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.