Why Aliens Can't See Us: The Truth About Our Signals
Why Space Is Too Big for Anyone to Ever Find Us: could anyone out there really see Earth? Our radio, our light and our spacecraft are all fainter than you think. Here is how far each one really reaches. In this video you learn how far our broadcasts can be detected, what the 1974 Arecibo message was really for, and why Voyager 1 will probably never be found. #space #alien #voyager #Earth
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