#  When Will We Hear from Extraterrestrials? 

 





August 14, 2021

 

 

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We have been carelessly leaking radio waves into space for [126 years](https://en.wikipedia.org/wiki/History_of_broadcasting) without thinking about the consequences. If there is a neighboring civilization with sensitive radio telescopes within a hundred light years, they might already know about us. How quickly should we expect them to make contact?

 Read the full article by Avi Loeb at [Scientific American](https://www.scientificamerican.com/article/when-will-we-hear-from-extraterrestrials/).



 

 

 



 

 

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