47 year old television signals bouncing back to Earth

47 year old television signals bouncing back to Earth47 year old television signals bouncing back to Earth External link

While searching deep space for extra-terrestrial signals, scientists at the Arecibo Observatory in Puerto Rico have stumbled across signals broadcast from Earth nearly half a century ago. Radio astronomer Dr.

Tagsextraterrestrial lifehistoryhoaxsignaltelevision
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