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Q&A What can cause the aliens not to understand our signal?

I am wondering if alien race detecting our signal could actually understand such broadcast. But for my story, I need the aliens being unable to understand what we are broadcasting. How can I achie...

6 answers  ·  posted 8y ago by Pavel Janicek‭  ·  last activity 8y ago by Pavel Janicek‭

Question space technology aliens