Interstellar Asteroid Has Collision in Its Past

Interstellar Asteroid Has Collision in Its Past
ESO/M. Kornmesser

The space interloper 'Oumuamua is spinning chaotically and will carry on doing so for more than a billion years.

That is the conclusion of new Belfast research that has examined in detail the light bouncing off the cigar-shaped asteroid from outside our Solar System.

"At some point or another it's been in a collision," says Dr Wes Fraser from Queen's University.

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