Superhighways of Space (image) University of Kansas Share Print E-Mail Caption This is a simulation from CLUES showing filamentary structure surrounding clusters in the nearby Universe. Galaxies stream along these filamentary structures. Credit Gregory Rudnick / University of Kansas Usage Restrictions None Share Print E-Mail 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.