An Etymological Dictionary of Astronomy and Astrophysics

In → galactic dynamics models, the
→ scattering of stars
at radii substantially away from → corotation resonance, especially at the → Lindblad resonances, leading to a higher → eccentricity. The → spiral wave response of a → galactic disk to a co-orbiting mass → clump blurs the distinction between scattering by → spiral arms and by mass clumps. See also → churning
(J. A. Sellwood & J. J. Binney, 2002, astro-ph/0203510 and references therein).

See also: Verbal noun of → blur.