Four years ago, astronomers detected ‘Oumuamua—the first interstellar object known to pass through our solar system. The object featured an array of strange and inexplicable characteristics, some of which are consistent with an icy shard ripped from a Pluto-like object, according to new research.
Source: Gizmodo – Interstellar Visitor ‘Oumuamua Could Be the Shattered Remnant of a Pluto-like Object