'Rubber-ducky' asteroid 200 million miles away holds buildin

Scientists say this means life could be more common than previously thought

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South Africa , Japan , Yokohama , Kanagawa , Japanese , Hiroshi Naraoka , Kensei Kobayashi , Cosmochimica Acta , Hisayoshi Yurimoto , Kyushu University , Japan Aerospace Exploration Agency , Yokohama National University , Hokkaido University , Planetary Science Conference ,