Professor Avi Loeb @ProfAviLoeb · 02 Sep 2026
Some Alien Space Travel Could Leave a Signal We Can Detect. In a new paper with my brilliant former postdoc, James Guillochon, shows that leakage from a light sail propulsion apparatus in operation around a solar system analog would produce a detectable signal. For cargo https://t.co/xPSQN5eMNz
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