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So… ‘Oumuamua Wasn’t Built By Aliens?

'Oumuamua
Image: © ZHANG Yun/background by ESO/M. Kornmesser

Our solar system’s first known interstellar visitor may have a very violent origin story.

The mysterious object ‘Oumuamua, which was spotted zooming through the inner solar system in October 2017, is probably a fragment of a larger body that was torn apart by gravitational forces during a close flyby of its native star, a new study suggests.

This “tidal fragmentation scenario not only provides a way to form one single ‘Oumuamua but also accounts for the vast population of asteroid-like interstellar objects,” lead author Yun Zhang, of the National Astronomical Observatories of the Chinese Academy of Sciences, said in a statement.

The hypothesis explains ‘Oumuamua’s weirdness as well, according to Zhang and study co-author Douglas Lin, an astronomer at the University of California, Santa Cruz.

Full Story From Live Science 

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