Less-advanced alien civilizations may be nearby — but we're not looking for them
U.S. · WORLD · SCIENCE
March 25, 20214 min read777 words
Published: March 25, 2021  |  4 min read777 words
Key Takeaways How will humans discover the existence of extraterrestrial civilizations?Unless aliens decide to visit Earth, the most likely answer is by scanning the skies for “technosignatures,” which are observational evidence of technological or industrial activity in the Univ...
Less-advanced alien civilizations may be nearby — but we're not looking for them Read more

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March 30, 2021
This is a very good, well-sourced look into why humans' first contact with alien life is more probabilistically likely to be with an advanced alien civilization. Very thoughtful and well-articulated exploration of the topic.
March 30, 2021
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