It looks as if the Interstellar visitor 'Oumuamua isn't an alien space probe after all – not even a dormant one. An international team of researchers led by Queen's University Belfast (QUB) has confirmed that the 400-meter-long (1,300 ft) spindle is a rocky object containing water ice that is coated with organic-rich substances coming from a planetary system similar to ours and it has been floating through space for millions of years.
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