Question

1. a star system in which one star periodically blocks the light from another star is a(n) _________________________.

Explanation:

A binary star system where one star periodically blocks the light of another is called an eclipsing binary. This is a well - known concept in astronomy (a sub - field of Natural Science, specifically related to the study of celestial objects). The key idea is the periodic occultation of light from one star by another in the system.

Answer:

eclipsing binary