Date: September 28th, 2026 8:24 PM Author: mind-boggling tanning salon
Long-period radio transients. Objects pulsing every tens of minutes that don't fit standard pulsar or magnetar models — a genuine population-level puzzle.
'Oumuamua. Its non-gravitational acceleration without a visible coma is still debated.
The Wow! signal. A single 1977 detection, never repeated.
Boyajian's Star. A former answer. Its dimming is deeper in blue light than red, which points to dust rather than solid structures — a model of how these cases usually close.