Earth's radio bubble, a century-old expansion of broadcast signals, now spans over 119 light-years. While these waves have reached nearby stars like Proxima Centauri, they are too faint and blended with cosmic noise for any civilization to decipher. Modern communication methods are also reducing the energy leaked into space, making Earth quieter.from Science News: Fresh Discoveries, Research & Breakthroughs https://ift.tt/tAGEnvb
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