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........ with all these stars, that we could never practically get to any of them. In any case, it won't be happening any time soon.
That aside, I am still of the opinion that if any civilisation has managed to achieve inerstella travel, upon finding other life (such as us), they would try to make contact, not hide.
I for one don't believe it till I see it. ^
Of course UFOs exist, Pmb, it was a flying object and you clearly did not identify it :-) Why do you think a sophisticated alien spacecraft, with an aim to be hidden, would have navigation lights, or have any external lights?
I think the "speed of light limitation" is similar to the old "speed of sound limitation".
Then you are simply ignoring a vast amount of scientific evidence
At present the laws of physics do not allow anything to travel beyond lightspeed.Except space itself, of course. Which I find very intriguing. In an annoying kinda way........
If it turns out that there is some way past the speed of light limitation, a civilization that advanced certainly does not need anything we have to offer. So why would they bother to come here?