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“Even if it were intelligent beings sending a signal,” he said in an interview, “they’d do it far more than once. We should have seen it again when we looked for it 50 times.”
we are dealing with the speed of light, as a limit.
that to expect EVERY lifeform that ever evolved to be on a sortof parallel time-frame with ours is, well....amazing.
Based on our current knowledge, yes
perhaps "they" don't want to hear back from any of us who are so 'primitive'
Lots and lots of speculation, which is fun
I cant recall ever reading if we sent anything back.
...Chi Sagittarii, which is made of up three stars. X1 is 220 light years distance, X2 is 1200 light years distant, X3 is 506 light years distant.
Wouldnt line of sight come into play ?
PS: I dont know the answer to this, but what is the closets star to us and how long would it take to send a radio signal back and forth. Im sure its probably 100s of years if not more.