A clue in the search for extraterrestrial intelligence could be artificial structures in space and around stars that astronomers would recognise, an expert has said.
"There are other types of artificial signatures of alien technology that we might look for," Professor Paul Davies told News24.
Davies is the chair of the Seti (Search for Extraterrestrial Intelligence): Post-Detection Science and Technology Taskgroup of the International Academy of Astronautics and a professor at Arizona State University.
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