A mysterious, cigar-shaped object now called ’Oumuamua (meaning “scout” in Hawaiian) was found crossing the solar system. Using computer models, astronomers found that rocky objects like ’Oumuamua are far more likely to come from binary than single star systems.

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A mysterious, cigar-shaped object now called ’Oumuamua (meaning “scout” in Hawaiian) was found crossing the solar system. Using computer models, astronomers found that rocky objects like ’Oumuamua are far more likely to come from binary than single star systems.