To observe a spectroscopic binary, we must be able to see both stars individually.

Question

Quizplus · Accepted Answer

Spectroscopic binary systems can be detected by measuring the periodic changes in their spectra or radial velocities, but the individual stars cannot be resolved with conventional telescopes. Instead, specialized techniques such as interferometry, adaptive optics, or space-based observatories are needed to resolve the two components.

To Observe a Spectroscopic Binary, We Must Be Able to See