Binary stars separated enough to be resolved in a telescope are called
A) line- of- sight binaries.
B) astrometric binaries.
C) spectroscopic binaries.
D) visual binaries.
E) orbital binaries.

Question

Quizplus · Accepted Answer

Visual binaries are binary star systems that can be resolved into two stars through a telescope, allowing their orbital motion to be observed directly.

Binary Stars Separated Enough to Be Resolved in a Telescope