velocity dispersion

Questions

What does velocity dispersion mean?

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

How to pronounce velocity dispersion

1. Open the pronunciation page — Open the Speakur entry for “velocity dispersion”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “velocity dispersion”.
4. Repeat and practice — Say “velocity dispersion” aloud, matching stress and vowels until it feels natural.