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What to do after detecting a signal from extraterrestrial intelligence

2 days ago
https://arxiv.org/abs/2510.14506
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  • #Astrobiology
  • #SETI
  • #Extraterrestrial Intelligence
  • The International Academy of Astronautics (IAA) SETI Committee provides guiding principles for responding to a potential SETI signal detection.
  • The foundational Declaration of Principles was first formulated in 1989 and updated in 2010.
  • A draft protocol for replying to extraterrestrial signals was prepared in 1995.
  • The IAA SETI Committee established a Task Group in 2022 to re-examine protocols due to advances in search methodologies and international participation.
  • A revised Declaration of Principles was presented at the IAC 2024 in Milan and refined based on community feedback.
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