Eclipsing binary systems:
A) orbit in the plane of the sky
B) exhibit large radial velocity shifts
C) contain equal mass stars
D) contain stars that pass in front of one another during their orbit
E) contain stars that can be resolved as two separate stars

Question

Quizplus · Accepted Answer

Eclipsing binary systems contain stars that pass in front of one another during their orbit, causing periodic dips in their observed brightness. This is what allows us to detect and study them.

Eclipsing Binary Systems