2021.01.04

Interstellar Interlopers

Two recently sighted space rocks that came from beyond the solar system have puzzled astronomers.

1I/‘OUMUAMUA, the first interstellar object ever observed in the solar system, passed close to Earth in 2017. / Illustrations by Ron Miller

1I/‘OUMUAMUA, the first interstellar object ever observed in the solar system, passed close to Earth in 2017. / Illustrations by Ron Miller

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