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I have just been thinking, TV,Radio etc is all going digital so maybe we will "Go Dark" and any Aliens wishing to see the next episode of eastenders will have to come down to watch it.
reply to post by HomerinNC
We've been sending out radio waves since about 1900 or so. We've been sending out TV waves since the first broadcast in 1928. So our signals have reached a little more than 100 light years away from us.
Here's a 3D visualisation of the Solar System neighbourhood, and the approximate extent of our radio broadcasts. (For reference, Tau Centauri is approximately 131 light years from Earth.)
There are many bright and famous stars there. Could be also home to a civilisation or two.edit on 13-12-2013 by wildespace because: (no reason given)