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Full Version: [Sci-Am] Mystery of Interstellar Visitor 'Oumuamua Gets Trickier

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Mystery of Interstellar Visitor 'Oumuamua Gets Trickier

Aliens? Or a chunk of solid hydrogen? Which idea makes less sense?

-- Read more on ScientificAmerican.com

https://www.scientificamerican.com/artic...-trickier/

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Scientific American