Tau.Neutrino said:
A Mystery Radio Signal From Deep Space Appears to Be Repeating a 16-Day Cycle, Scientists Say
Scientists say they have identified the first fast radio burst (FRB) which pulses with a regular pattern, casting new light on one of the universe’s greatest mysteries.
more…
> Most FRB sources emit a single one-off burst. But a minority—around 10—have been shown to repeat, although the bursts appear to be sporadic without a regular pattern.
Yep, irregular. As many as 10. I’d only heard of two or three that repeated.
The existence of both periodic and irregular solutions is a feature of the Logistic Equation. See https://tokyo3.org/forums/holiday/topics/12941/
Or it could be aliens.