Oumuamua as an Interstellar Probe: Radiation-Pressure Light-Sail Hypothesis and the Technosignature Debate
To the point
Shmuel Bialy and Avi Loeb argued that the interstellar visitor 'Oumuamua could be an alien probe, with its unusual acceleration explained by radiation pressure on a thin light sail rather than outgassing, a claim that sparked debate and highlighted the search for technosignatures in future surveys and missions.
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