Galactic Dynamics [ VERIFIED ◆ ]

: Calculating the gravitational potential generated by various mass distributions, such as disks, bulges, and dark matter halos.

The field is largely defined by a few foundational textbooks and modern interactive guides: Galactic Dynamics: Second Edition - Google Books Galactic Dynamics

At its heart, the field treats galaxies as many-body systems where stars interact primarily through a smooth gravitational potential. Key areas of study include: such as disks

: Studying processes like dynamical friction (the "drag" on massive objects moving through a sea of stars) and violent relaxation . Essential Resources Galactic Dynamics

: Understanding systems where individual stellar encounters are rare enough to be ignored. This uses the Collisionless Boltzmann Equation and Jeans Equations to describe equilibrium.