Alien Light Sails

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Summary Table
Category Progenitor Type Energy Mechanism Emission Mechanism Counterparts References Brief Comments
LF Radio HF Radio Microwave Terahertz Optical/IR X-rays Gamma-rays Gravitational Waves Neutrinos
Other Alien Light Sails Repeat Artificial transmitter -- Yes -- -- -- -- -- -- -- -- Highly speculative.

Definitions: LF Radio (3 MHz to 3 GHz); HF Radio (3 GHz to 30 GHz); Microwave (30 to 300 GHz)

Model Description

Extragalactic, artificial beam-powered light sails have been proposed as an FRB theory, however such a concept is highly speculative.

Observational Constraints