velocity dispersion

Noun

Meaning

English Wikipedia has an article on:velocity dispersionWikipedia
velocity dispersion (plural velocity dispersions)

(astronomy) The statistical dispersion (about a mean) of the velocities of the stars in a galaxy (or galaxies in a cluster)

Source: en.wiktionary.org

Close letter words and terms

velocity velocity along the line of sight velocity curve velocity energy velocity in the direction of observation velocity limit