r/aliens
/u/Yud07
socialOct 5r/
The Sentinel Machine Hypothesis: What If the NHI Presence Near Earth Is an Ancient Machine?
If some UAP represent nonhuman technology, they might be equipment belonging to an autonomous system stationed near Earth long ago. A persistent observer could deploy vehicles, maintain itself, and respond to changes in the biosphere without biological crews repeatedly crossing interstellar space. Published SETI research supplies precedents for this architecture. Local factories, ancient residence, defensive intervention, and neural interfaces require separate evidence. The test is whether ob...
