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unimpressivewang t1_it91yf7 wrote

Why would anything about them have to be biological? We’ve sent dozens of unmanned probes across the solar system. When we find something interesting we send more probes there.

What if say 3 million years ago (or 300million for that matter) an unmanned probe didn’t find life here, and then a few centuries later a larger set of unmanned probes were sent here, which have been chilling every sense?

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ryanq99 t1_it92spe wrote

You're right, were working with a bunch of assumptions because there's nearly zero evidence for any of this. Could be anything. Probably more likely not biological.

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