04-11-2020, 07:02 AM
M13 is around 25,000 ly away so the message will 'pass through' a large number of systems, probably hundreds of thousands and possibly tens of millions or more en route.
Question about the arecibo message
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Question about the arecibo message - by Baleia espacial - 04-11-2020, 05:35 AM
RE: Question about the arecibo message - by Drashner1 - 04-11-2020, 07:02 AM
RE: Question about the arecibo message - by stevebowers - 04-11-2020, 07:27 AM
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