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Interstellar asteroid’s tumble suggests a violent past

14 Feb 2018, 14:26 UTC
Interstellar asteroid’s tumble suggests a violent past ESO/M. Kornmesser

The strange interstellar visitor to our solar system – dubbed `Oumuamua by astronomers – is tumbling as it moves through space. A new study suggests its chaotic tumble is likely to continue at least another billion years, and it suggests ‘Oumuamua’s tumble is the result of a violent collision with another asteroid in the past. This collision might have knocked `Oumuamua out of its original solar system and sent it toward our solar system.

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