Asteroid 'Oumuamua was an alien probe sent to investigate Earth, Harvard astronomers suggest

Asteroid 'Oumuamua was an alien probe sent to investigate Earth, Harvard astronomers suggest  Metro Could Solar Radiation Pressure Explain 'Oumuamua's Peculiar Acceleration?  Space Ref (press release) Is solar system's first 'tourist' a spaceship?  Times of IndiaFull coverage

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