Jacobi tidal radius
like a string that's too strong and holds the small rock tight
Technical definition
An radius at which the tidal force exerted by the Milky Way on the galaxy equals the binding energy of the galaxy's self gravity and dark matter.
like a string that's too strong and holds the small rock tight
An radius at which the tidal force exerted by the Milky Way on the galaxy equals the binding energy of the galaxy's self gravity and dark matter.