Detection: blind-spot geography (hadal / solar-conjunction survey).
hypothesisdetection_strategyScientific Instrumentation & Sensor Data
Reside where our instruments structurally can't resolve (hadal ocean, crust-mantle boundary, solar-conjunction / Sun-Earth L3); detect via targeted artifact surveys of the specific blind spots.
Relaxes the assumption anything here could be imaged. <25% of the deep seafloor is high-res mapped; the far-side solar volume is chronically unobserved - real coverage gaps, not physics gaps. HYPOTHESIS.