>>A civilization might do this either to hide from others
Why would they try to hide this from others? Are we trying to hide our satellites, or our probes that we are sending out?
Why would they try to hide this from others? Are we trying to hide our satellites, or our probes that we are sending out?
Assuming hiding is technologically feasible, why take the risk?
But looking at how fellow humans behave with each other. I would say that is definitely a possibility.