In 2017, Oumuamua became the first cataloged interstellar object to visit the solar system. The ultrathin disk-shaped object mysteriously accelerated as it passed by the Sun. We had never seen such an object before.
Scientists had various exotic theories to explain the origin of #Oumuamua. From being an advanced alien technology to a puffy cloud of hydrogen, every theory had its pros and cons. But now, scientists have put forward a new theory that agrees with most of the observations of the interstellar object.
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