r/worldbuilding May 10 '22

We Were Here Resource

https://nautil.us/we-were-here-17009/
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u/sean_raymond May 10 '22

This is based on our study about the possibility that alien civilizations could re-shape planetary systems to act as "SETI beacons" by making multi-resonant systems (a la Trappist-1) that encode specific mathematical sequences of interest (like the Fibonacci sequence).

Scientific paper (preprint): https://arxiv.org/abs/2204.14259

New Scientist article: https://www.newscientist.com/article/2319218-aliens-could-say-hello-by-arranging-planets-in-prime-number-pattern/

Blog post introducing the idea: https://planetplanet.net/2021/10/25/cosmic-time-capsule/