Careful measurements reveal that a star maintains a steady apparent brightness at most times, except that at precise intervals of 93 hours. the star becomes dimmer for about 2 hours. The most likely explanation for this is that the star ________.

Question

Quizplus · Accepted Answer

The dimming of the star at regular intervals suggests that it is being eclipsed by another object, which is characteristic of an eclipsing binary star system. This is when two stars orbit each other and from our point of view, one periodically passes in front of the other, blocking some of its light and causing the observed dimming.

Careful Measurements Reveal That a Star Maintains a Steady Apparent