1ES 1927+654's Brightness1ES 1927+654's BrightnessShiftbehavior.Agn shows unexpected soft X-rayHigh Energy Astrophysical PhenomenaUnusual Brightness Changes in 1ES 1927+654Active galactic nucleus shows unexpected brightness shifts in X-ray emissions.2025-10-01T19:19:09+00:00 ― 4 min read