In 2017, astronomers were baffled by the mysterious interstellar object ‘Oumuamua. Although the tiny rock was quickly identified as an asteroid, it had an oddly shaped orbit that could not be explained. Now, a team of astrophysicists has come up with a simple explanation for Oumuamua’s weird orbit: it was likely caused by a gravitational interaction with the star system it came from. This new insight into Oumuamua’s origin could help us understand the origins of other interstellar objects that pass through our solar system.

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source: Phys.org