Question

complete the paragraph to describe binary systems. a binary star system is made of stars, one of which is brighter than the other. astronomers are able to detect the dimmer star because its gravity causes the bright star to. astronomers can also spot the dimmer star by observing a phenomenon called a(n) binary. this happens when the dim star passes in front of the bright star.

Explanation:

A binary star system consists of two stars. The gravity of the dimmer star affects the brighter one's motion. When the dim star passes in front of the bright one, it's an eclipsing binary.

Answer:

two; move (or have an irregular motion); eclipsing