OJ 287: A Blazar MysteryOJ 287: A Blazar Mystery287's black holes.Exploring the unique features of OJHigh Energy Astrophysical PhenomenaInvestigating OJ 287: A Unique BlazarOJ 287's dual black holes and complex behavior captivate astronomers.2025-10-02T03:57:15+00:00 ― 5 min read