Assertion: universe's object | /r/HasProperty | artifact
Facets:
Source sentences:
text: ‘Oumuamua (Hawaiian for “a messenger from afar arriving first”) being a natural object,” said Yun Zhang at the National Astronomical Observatories of the Chinese Academy of Sciences about a new scenario based on computer simulations that account for all of the observed characteristics of the first known interstellar object to visit our solar system that triggered speculation that included the possibility that the cigar-shaped object was an artifact or a lightsail of an alien civilization.