In the Hubble Tuning Fork Diagram visualization, which class of galaxies occupies the handle?

Answer

Smooth, featureless elliptical galaxies

The handle of the tuning fork diagram is occupied by the smooth, featureless elliptical galaxies.

In the Hubble Tuning Fork Diagram visualization, which class of galaxies occupies the handle?
classificationgalaxiesastronomyproperties