Some dark matter may be ordinary matter that orbits in the halo of the galaxy. Which of the following would not be considered a type of ordinary dark matter?

Question

Quizplus · Accepted Answer

Globular clusters are not considered ordinary dark matter because they are large, luminous collections of stars that can be observed and studied, unlike other forms of dark matter which are not directly observable.

Some Dark Matter May Be Ordinary Matter That Orbits in the Halo