Astronomers have long been fascinated by the enigmatic nature of blazars, and a recent discovery has only deepened the mystery. Researchers have observed a unique sinusoidal radio variability in a blazar, a phenomenon never before seen in these powerful cosmic entities. But what could be causing this periodic behavior? Could it be the result of complex interactions within the blazar’s jet, or perhaps a sign of a previously unknown astrophysical process at play? As scientists work to unravel the secrets of this peculiar phenomenon, the hunt for answers continues, driving our understanding of the Universe’s most enigmatic phenomena.

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source: Phys.org