Are the Magellanic Clouds on their First Passage about the Milky Way?

Gurtina Besla, Nitya Kallivayalil, Lars Hernquist +4

Recent proper motion measurements of the Large and Small Magellanic Clouds (LMC and SMC, respectively) by Kallivayalil et al (2006a,b) suggest that the 3D velocities of the Clouds…