What is not a main source of evidence for the existence of dark matter?
A)massive blue stars
B)rotation curves of disk galaxies
C)stellar motions in elliptical galaxies
D)velocities and positions of galaxies in clusters of galaxies
E)gravitational lensing by clusters of galaxies

Question

Quizplus · Accepted Answer

Massive blue stars are not a main source of evidence for the existence of dark matter. Dark matter does not interact with light or electromagnetic radiation, so it cannot be detected through the observation of visible light from stars.

What Is Not a Main Source of Evidence for the Existence