I was actually building a list so we could rank possibilities in order.
The only new one mentioned was "Ancient advanced civilization still on earth/oceans". I wasn't really fond of how Jiggy_12 combined some options, lets keep them separate for ranking. Von Neumann Probes are captured in alien probes. If someone really really wants it separate, fine. But I imagine in everyone's ranking they will be on top of one another.
extraterrestrial beings
extraterrestrial probes
time travellers
extra-dimensional beings
we exist in a simulation, so anything goes
tricks of perception(reflections, misinterpreted objects, birds, drones, mirages etc)
Secret US tech
Secret other country tech
hoaxes(crop rings)
Ancient advanced civilization still on earth/oceans
spooky actions at a distance
Last edited by Fuzz; 08-02-2023 at 12:17 PM.
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