KnowraAlgolLinked fromLinked fromThe 3 pages that link to Algol, each with the reason it gives.All 3Broader topic 3Binary starBroader topic: Its changing brightness made eclipsing binaries recognizable before their geometry was understood.Variable starBroader topic: Its predictable dips made eclipsing variability recognizable long before modern astrophysics.Eclipsing binaryBroader topic: Its changing brightness made it one of the earliest recognized eclipsing binaries.