Two phase, inward-then-outward migration of Jupiter and Saturn in the gaseous Solar Nebula
Two Upper Limits on the Rossiter-McLaughlin Effect, with Differing Implications: WASP-1 has a High Obliquity and WASP-2 is Indeterminate
Two-Dimensional Study of the Propagation of Planetary Wake and the Indication to Gap Opening in an Inviscid Protoplanetary Disk
Two-fluid Instability of Dust and Gas in the Dust Layer of a Protoplanetary Disk
Type II migration of planets on eccentric orbits
Type III migration in a low viscosity disc