A Gravitational Tug of War (IMAGE) NASA/Goddard Space Flight Center Caption The Large and Small Magellanic Clouds gravitationally tug at each other, and one of them has pulled out a huge amount of gas from its companion. This shredded and fragmented gas, called the Leading Arm, is being devoured by the Milky Way and is feeding new star birth in our galaxy. Using Hubble data, scientists have now solved which dwarf galaxy is doing the pulling. Credit Nidever et al/NRAO/AUI/NSF/Mellinger/Leiden-Argentine-Bonn/LAB Survey/Parkes Obs/Westerbork Obs/Arecibo Obs/Feild/STScI/NASA/ESA/A. Fox/STScI 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.