The three-dimensional shape of __________ is set by the average velocities of the stars along each of the three axes.
A) spiral galaxies
B) only elliptical galaxies
C) spiral bulges
D) elliptical galaxies and spiral bulges
E) quasars

Question

Quizplus · Accepted Answer

The three-dimensional shape of elliptical galaxies and spiral bulges is determined by the average velocities of the stars along each of the three axes, as these structures are supported by random stellar motions rather than rotation.

The Three-Dimensional Shape of __________ Is Set by the Average