EF Eri's Bright ComebackEF Eri's Bright Comebacksudden brightness.A polar star system surprises withHigh Energy Astrophysical PhenomenaThe Dramatic Revival of EF EriAstronomers are captivated by the new brightness of the polar star system EF Eri.2025-03-02T12:26:22+00:00 ― 8 min read